a. What happened to ecological resources in national parks across the United States when this act
became law in 1916.
Answer:
Explanation:
recover it self
8. There are two plants; a banana plant and a small mango plant. In which groups of plants you will place them? Justify your answer.
Answer:
The answer is
banana is under group perennial
mango is under group perenial
banana is under herbaceous flowering plant
mango is under flowering plant
The answer choices are:
A. She should give the devices the same number of coils and retest
B. She should increase the distance between the devices and the paper clips.
C. She should repeat the same tests on each device again to collect more data.
D. She should use just one length of nail and test more of a variety of coil numbers, including zero coils.
SOMEONE PLEASE HELL ME
The best way to test the hypothesis that the number of coils has a cause-and-effect relationship with the strength of magnetic devices is by using one nail and testing more of a variety of coil numbers. So the correct option is option D.
In addition, the greater the number of turns of the wire composing the coil, the more intense the magnetic field is produced. The reason for this is that the magnetic field created by each turn of the wire superposes the center of the previous turn.
The strength of an electromagnet is determined by the number of rotations in the coil. For example, if rotations in a coil are doubled, then the strength of the electromagnet is also doubled.
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Is there any explanation for the process of pollination in pride of barbados
Answer:
The plants are thought to be pollinated by butterflies. Once pollinated, the plant produces seed pods, and these interesting ridged seeds.
Why do oestrogen levels between 8and 22days remain low in the women who takes contraceptive pills
Contraceptive pills suppress ovulation and keep oestrogen levels low throughout the menstrual cycle, preventing pregnancy.
The contraceptive pill contains synthetic hormones that mimic the effects of oestrogen and progesterone in the body.
These hormones work to suppress the natural production of oestrogen by inhibiting the release of follicle-stimulating hormone (FSH) and luteinising hormone (LH) from the pituitary gland.
This prevents ovulation and therefore reduces the levels of oestrogen that are normally produced during the menstrual cycle.
The low levels of oestrogen between days 8 and 22 of the menstrual cycle in women taking contraceptive pills are due to the fact that this is the time when oestrogen levels would normally peak in a natural menstrual cycle.
However, as ovulation is suppressed by the pill, there is no need for the body to produce high levels of oestrogen to support the development of the ovarian follicle.
Instead, the pill maintains a consistent level of synthetic hormones throughout the cycle, which prevents the fluctuation of oestrogen levels that would occur naturally.
Therefore, women who take contraceptive pills typically have lower levels of oestrogen throughout their menstrual cycle.
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Which of the following would be expected from breeding involving these genes?
From the given image, it is suggested that genes A and B show strong linkage, but genes C and D show little to no linkage. Thus, the correct option is A
Genes that are closely located on the same chromosome are said to be linked. That is, they have a higher tendency to be inherited together during meiosis of the cell.
As is shown in the image, the genes A, B and C are present closely together on one arm of the chromosome and gene D is present on the other arm of the chromosome. Thus, the three genes A, B and C are highly likely to be inherited together and show strong linkage, whereas gene D being present at distance does not show linkage with the other mentioned genes.
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pollination by insect process in pride of barbados. I need the explanation ASAP
The Pollination by insect process in the pride of Barbados takes place by butterflies.
The pride of Barbados also called the Red Bird of Paradise is a popular plant in Phoenix. It originally hailed from the tropics of South America and the West Indies. It is a tall shrub that grows and can be identified by its distinctive red/orange colored flowers that possess very long stamens and are differently visible.
Its leaves are lacy compounds. It generally grows more during warm weather, especially during the summer months. The long stamens are the male parts of the flower and carry the pollen grains to be pollinated. These are pollinated by insects like butterflies and then are turned into seed pods which are dried and shot open to produce a new plant.
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Part 2: David’s Physical Condition
At his trial, David’s defence argued that his behaviour had not
been under his control. Shortly before his behaviour changed,
David had accidentally been exposed to a high concentration
of an organophosphate pesticide called carbaryl. Carbaryl is a
substance that can have an effect on the nervous system. In
fact, it behaves similarly to many nerve gasses (chemical weap-
ons that exert their effect by impairing the functioning of the
nervous system).
Carbaryl works by affecting the way that brain cells communi-
cate with each other. This communication occurs at synapses,
little gaps at the junctions of nerve cells. Neurones (nerve cells)
release chemicals to send signals across the gap. These chem-
icals are called neurotransmitters. After it has been released,
the neurotransmitter is broken down to prevent it from stimu-
lating the post-synaptic neurone for any longer than necessary.
Carbaryl prevents the breakdown of a neurotransmitter called
acetylcholine (ACh). Exposure to high doses of carbaryl causes
ACh to build up in the brain and other parts of the nervous system.
One of the many parts of the brain that uses ACh is a structure called the hypothalamus. This structure is im-
portant in a huge range of behaviours including eating, drinking, sex, and aggression. Electrical stimulation of
specific parts of the hypothalamus can cause a rat to show signs of rage and attack behaviour. David’s defence argued that the carbaryl to which he had been exposed had
affected the functioning of his hypothalamus. A small provocation would have
started the parts of the hypothalamus associated with attack behaviours to
start firing. However, because of the carbaryl, they would not have been able to
stop, leading to uncontrolled rage and aggression.
Discussion Questions:
• Based on the evidence provided, do you think David is morally responsible
for his crime?
• What possible environmental influences may have incited David to act as he did?
• Why do you think the jury believed the prosecution in spite of the defence’s
argument?
• How does this case affect your views on the nature versus nurture debate?
Based on the evidence provided, the question of David's moral responsibility for his crime is complex. The defense argues that his behavior was not under his control due to the accidental exposure to carbaryl, which impairs the functioning of the nervous system.
Carbaryl prevents the breakdown of the neurotransmitter acetylcholine (ACh), leading to its buildup in the brain and other parts of the nervous system.
The defense further argues that this affected the hypothalamus, a brain structure involved in various behaviors, including aggression.
The environmental influence that may have incited David's behavior is the accidental exposure to a high concentration of carbaryl, an organophosphate pesticide.
The jury may have believed the prosecution despite the defense's argument due to several reasons.
Nature vs. Nurture Debate: This case raises questions regarding the nature versus nurture debate, which explores the relative contributions of genetic and environmental factors in shaping human behavior.
Thus, this can be concluded regarding the given scenario.
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Medulla is above pons or below pons
Answer:
The medulla is below the pons in the brainstem. The brainstem is the posterior part of the brain that connects the spinal cord to the cerebral hemispheres. It is made up of three regions: the medulla oblongata, the pons, and the midbrain. The medulla is located at the lowest part of the brainstem, just above the spinal cord. The pons, which means "bridge" in Latin, is situated above the medulla and acts as a bridge connecting different parts of the brain, including the cerebellum and the cerebral cortex.
Explanation:
Answer:
The medulla is below pons in the brain stem
Concentrated sulphuric acid (98.12 g.mol¹) has a density of 1.5 g/cm³ and is 60% H₂SO4 per mass. The rest is water. How many H* ions are there in a 45 mL concentrated sulphuric acid solution?
The number of hydrogen ions present in 45 mL of concentrated sulphuric acid solution is 4.97 × 10²³ ions.
How to calculate number of hydrogen ions?To calculate the number of hydrogen ions in the acid, we have to calculate the number of moles as follows:
Density = mass ÷ volume
According to this question, concentrated sulphuric acid with molar mass of 98.12 g.mol¹ has a density of 1.5 g/cm³ and is 60% H₂SO4 per mass.
Mass = 1.5g/cm³ × 45cm³ = 67.5grams.
Moles = mass ÷ molar mass
moles = 67.5g ÷ 98.12g/mol = 0.687 moles
If 60% of this quantity contains the acid, then 60/100 × 0.687 = 0.413 moles of acid is present.
There are 2 moles of H+ in sulphiric acid, hence, the no of ions can be calculated as follows:
no of ions = 2 × 0.413 × 6.02 × 10²³ = 4.97 × 10²³ ions.
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Please help!! With anatomy and physiology
32. Which of the labeled structures is the Diaphysis?
A. 3
B. 4
C. 5
D. 6
33. Which of the labeled structures is the Diaphysis?
A.
Humerus
B. Fibula
C. Metacarpal
Current trends in sport assignment
Scenario The college sports department and leadership are keen to encourage higher participation levels amongst the college population in the extra-curricular opportunities students have access to at lunchtime.
To help the sports department and college leadership team to offer an attractive range of activities, they have requested that you carry out a survey amongst your peers to find out whether they currently take part, there reasons for (not) taking part, and what may be barriers to their engagement in the activities more often.
Task 1
Before reporting back to the sports department and the college leadership team you will need to design and carry out a survey that allows you to collect data about student’s current participation rates, as well as their reasons for either participating or not participating in the extra-curricular activities offered at college. You should also ask students what other activities that could be offered at college would make them more likely to participate regularly.
Finally, make sure you provide an opportunity for each person who responds to your survey to explain any factors that may limit their participation in regular physical activity. Factors which may impact on participation could include; disability, provision, cost, ethnicity, location, age, gender. (2B.P3, 2B.P4, 2B.M3)
Task 2
Using the most recent Sport England – Active Lives Survey: (https://sportengland-production-files.s3.eu-west-2.amazonaws.com/s3fs-public/2023-04/Active%20Lives%20Adult%20Survey%20November%202021-22%20Report.pdf?VersionId=ln4PN2X02DZ1LF18btgaj5KFHx0Mio9o ) ,to explore how participation rates in a number of activities have changed over recent years (make sure you include some that have seen decreasing levels of participations, as well as those that have seen increases).
Consider what may be responsible for the changes in participation rates. You may wish to think about some/all of the following:
• New/emerging activities
• Influence of fashion
• Changing expectations of participants/spectators
• Technological developments
Please note you must cover at least six different trends
(2B.P5,2B.M4, 2B.D3)
Evidence you must produce for this task
A presentation presenting the findings of your survey as well as the reasons why some students don’t (frequently) participate in the activities to the sports department and college leadership team (Task 1)
A written report looking at six trends in sport, showing you have interpreted the most recent Sport England national participation survey (Task 2)
Criteria covered by this task:
To achieve the criteria you must show that you are able to:
Unit
Using relevant information, describe reasons for, and growth in, participation in sport and active leisure activities.
2B.P3
Describe six factors that can affect participation in sport and active leisure.
2B.P4
Explain, using relevant examples, how different factors can affect participation in sport and active leisure.
2B.M3
Describe and explain different trends that can affect participation in sport and active leisure.
2B.P5
Explain trends in participation in sport and active leisure.
2B.M4
Compare and contrast trends in participation in sport and active leisure.
We can see here that in Task 1: Designing and Conducting the Survey:
Determine the survey formatCreate a survey questionnairePilot test the surveyHow we carry out the task?Referencing the most recent Sport England - Active Lives Survey, analyze participation rates in various activities over recent years. Consider both activities with increasing and decreasing levels of participation.
Task 2: Analyzing Sport England's Active Lives Survey.
Here are the steps to follow:
Familiarize yourself with the Sport England - Active Lives SurveySelect six different trendsExamine the factors influencing the trends.2B.P3: Six factors that can affect participation in sport and active leisure are:
Socio-economic statusAgeGenderPhysical and mental abilitiesEnvironmental factorsCultural and social influences2B.P4: Different factors can affect participation in sport and active leisure in various ways. For example:
Socio-economic status: Individuals from lower socio-economic backgrounds may have limited access to sports facilities or organized activities due to financial constraints. This can hinder their participation.Environmental factors: Availability and accessibility of sports facilities and recreational spaces can influence participation rates.2B.M3: Different trends that can affect participation in sport and active leisure include:
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The student is tasked with designing and conducting a survey on sports participation among their peers, and with examining the Sport England – Active Lives Survey to identify trends and understand the reasons behind these trends. The end result will be a presentation to their college's sports department and leadership team.
Explanation:The task described above involves two main tasks related to sports participation and trends.
In Task 1, you'll need to design and execute a survey aimed at understanding current participation trends among your peers, factors influencing their choice to participate or not, and the nature of any barriers preventing more frequent engagement. This involves understanding the impact of factors including disability, provision, cost, ethnicity, location, age, and gender among others.
In Task 2, you are required to examine the Sport England – Active Lives Survey and explore trends in participation rates over recent years for various activities. This task involves understanding the reasons behind changes in these rates, which may include new/emerging activities, influence of fashion, changing expectations of participants/spectators, and technological developments.
The output expected from you is a presentation documenting the survey findings and reasons for (non)participation among your peers, along with a thorough analysis of the sports trends identified in the Active Lives Survey.
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Staplylobacillius gram negative morphology
Answer:
Gram-negative bacteria treated similarly produce spheroplasts, which retain much of the outer membrane structure. The dependence of bacterial shape on the peptidoglycan is shown by the transformation of rod-shaped bacteria to spherical protoplasts (spheroplasts) after enzymatic breakdown of the peptidoglycan.
If a man with blood type AB marries a woman who is heterozygous for blood type B, what is the probability of having a child with blood type O?
Considering the probabilities of these outcomes, the chance of having a child with blood type O is 50% if a man with blood type AB marries a woman who is heterozygous for blood type B.
To determine the probability of having a child with blood type O, we need to analyze the possible blood type combinations that can result from the parents' genotypes.
The man has blood type AB, which means he has both A and B antigens on his red blood cells. The woman is heterozygous for blood type B, meaning she carries one B allele and one recessive O allele. The possible genotypes for the man are AB (IAIB) and the possible genotypes for the woman are BB (IBIB) or BO (IBi).
When these two individuals have offspring, their children can inherit any combination of the parents' alleles. The possible combinations are as follows:
AB x BB: All children will have blood type B (IBIB), as both parents only carry the B allele.AB x BO: There is a 50% chance that each child will inherit the O allele from the mother, resulting in blood type O (ii). There is also a 50% chance that each child will inherit the B allele from the mother, resulting in blood type B (IBi).
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Explain how a bat's wing can be both a homologous and an analogous structure.
Answer: Its Homologous because they have the same structure that all have and its analogous because it has he same structure that its ancestor had.
Explain how preventive measures be used to mitigate land-use problems?
Be specific and give examples of the land use and the problems it causes, and provide a solution.
Preventive measures can be effectively used to mitigate land-use problems by addressing the root causes and adopting sustainable practices. These measures often involve proper planning, regulations, and community involvement.
For example, deforestation is a significant land-use problem that contributes to habitat loss, soil erosion, and climate change. A preventive measure to tackle this issue could involve implementing sustainable forest management practices, such as selective logging and reforestation. This ensures that forests can continue to provide resources without causing long-term damage to ecosystems and biodiversity.
Another example is urban sprawl, which results in loss of agricultural land, increased traffic congestion, and higher energy consumption. One solution to this problem is promoting smart growth strategies, including mixed-use development and compact urban design. This approach encourages a balance of residential, commercial, and recreational spaces within walkable distances, reducing the need for cars and preserving green spaces.
In the case of soil degradation due to excessive agricultural practices, preventive measures might include promoting sustainable farming techniques, such as crop rotation, no-till farming, and the use of organic fertilizers. These methods help maintain soil health and productivity, reducing the need to clear new land for agriculture.
Overall, preventive measures play a crucial role in mitigating land-use problems by promoting sustainable practices, informed decision-making, and long-term planning. Through a combination of policy, community involvement, and innovative solutions, we can work towards a more sustainable future and minimize the negative impacts of land-use problems on our environment and communities.
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HELP PLEASEEE!!!!!!!!!
Explain some ways that human population impact our ability to fish for food.
One of the ways that human population impact our ability to fish for food is overfishing.
What is over fishing?The demand for seafood rises along with the world population. To fulfill the rising demand, fishing efforts are increased as a result. When fish populations are overfished, their numbers are reduced and their capacity to reproduce and replenish themselves is compromised.
Overfishing endangers the long-term availability of fish as a food source and disturbs marine ecosystems and biodiversity.
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