Chemistry Middle School

PLLSSS HELLLP MEEEE IMMM INN A HUURRRYYYYY
4. This phenomenon is called the ______ effect.

5. Draw a diagram of the _______ effect below:

PLLSSS HELLLP MEEEE IMMM INN A HUURRRYYYYY4. This Phenomenon Is Called The ______ Effect.5. Draw A Diagram

Answers

Answer 1

Answer:

The effect you are referring to is called the Doppler effect. It is a phenomenon that occurs when a sound source, such as a siren on a police car, is moving relative to an observer, such as a person standing on the side of the road.

Explanation:

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PLLSSS HELLLP MEEEE IMMM INN A HUURRRYYYYY4. This Phenomenon Is Called The ______ Effect.5. Draw A Diagram

Related Questions

help me on this question please need answer today.


How do you think plants would grow in space? Which tropism(s) would be affected and why?

Answers

Answer: Mainly gravitropism because of the lack of gravity. The other two tropisms depend on the circumstance that it is in.

Explanation:

Answer: Plants use other environmental factors, such as light, to orient and guide growth

Explanation: In the absence of gravity, plants use other environmental factors, such as light, to orient and guide growth. A bank of light-emitting diodes (LEDs) above the plants produces a spectrum of light suited for the plants' growth.

Explain how potential and/or kinetic energy are working in each of the pictures below

Answers

Answer: canetic carts

Explanation:

In the first one, kinetic energy got the roller coaster to the top of the hill, and it becomes lots of potential energy due to being at the top of a steep drop.

In the second one, it begins with potential energy, until the person is put into a falling motion, transferring to kinetic energy.

In the third one, there is potential energy, because the bow string is taut, and ready to release and allow the arrow to go flying.

In the fourth one, the car has gas which is potential energy, until it begins moving and is turned into kinetic energy.

People falling down a cliff is potential energy or kinetic energy?

Answers

When people are on the cliff it’s potential because they’re not moving. I want to falling down the cliff it’s kinetic.
When the people are on the cliff and not in motion that's potential energy. When their moving and/or actively falling off the cliff, that's kinetic.

Matter is made up of tiny particles

Answers

Answer: Matter is made up of extremely small particles called atoms. An atom is the smallest possible unit of matter that exhibits all the properties of that matter.

Explanation:

Answer:

Matters are made up of tiny particles that are called atoms.

Explanation: Atoms are small tiny particles that posses all the properties of particles

Which characteristic do ginkgoes and cycads have in common?

are usually evergreen
lived during the time of dinosaurs
produce football-sized cones
have a shallow root system

Answers

Answer: The characteristic that ginkgoes and cycads have in common is that they lived during the time of dinosaurs.

Explanation: The characteristic that ginkgoes and cycads have in common is that they lived during the time of dinosaurs. Ginkgoes and cycads are both ancient plants that have been around since the time of the dinosaurs, and have survived through millennia of changes in climate and ecological conditions. While both plants have unique features, their ancient lineage is the common characteristic between them.

Option B is correct. Both, ginkgoes and cicadas are types of plants that existed during the time of dinosaurs.

Ginkgoes, especially The Ginkgo biloba species are living fossils as they can still be found in various parts of the world, particularly in China even though they coexisted with dinosaurs.

During the time of dinosaurs, cycads were quite diverse and widespread, and they thrived alongside dinosaurs. They have a palm-like or fern-like structure.

To know more about ginkgoes and cycads:

https://brainly.com/question/4217252

Which type of gymnosperm has the least amount of species diversity on Earth today?

cycad
ginkgo
gnetophyte
conifer

Answers

Answer
Ginkgo


Expiation
I took the test on edge

Brainlist pls
Ginkgo is the type of gymnosperm that has the least amount of species diversity on Earth today. There is only one living species of Ginkgo, known as Ginkgo biloba, which is native to China and is commonly grown as an ornamental tree in many parts of the world. In contrast, there are over 600 species of conifers, which are the most diverse group of gymnosperms. Cycads and gnetophytes are also relatively diverse, with around 300 species of cycads and around 70 species of gnetophytes.

The diagram above shows the repeating groups of atoms that make up two samples. Both samples are liquid at room temperature. Will the properties of the two samples likely be the same or different? (Examples of properties are smell, color, and the temperature at which a substance melts.)

Answers

Answer:

Different.

Explanation:

If you look at the bottom you can see that the bonds are in different cohesions and the molecules have a quad bond and not a tri bond. Atoms defuse ( the process in this photo is diffusion) and the smell, color, and temperature will change.

Can someone please put these atoms from most reactive to least reactive? Thank You!
1. Silicon
2. Magnesium
3. Sodium
4. Argon

Answers

Argon is the least reactive because it is a noble gas. Sodium is more reactive than magnesium. Silicon is not very reactive but Argon is least. So Argon is the least, silicon is next, magnesium, and sodium is the most reactive.
4. argon
3. sodium
2. magnesium
1. silicon

Jean listed the steps involved in the life cycle of a gymnosperm.

1 - The pollen gets stuck in a sticky liquid.
2 - Sperm from the pollen fertilize the egg in the ovule.
3 - The ovule develops into a seed.
4 - When mature, the seeds are dispersed.

Which step is missing?

Before step 3, the ovule develops cones.
Just after step 3, the ovule develops cones.
Before step 1, wind carries pollen from the male to the female cones.
Just after step 1, wind carries pollen from the male to the female cones.

Answers

Answer:

I don't believe there is a missing step in the listed sequence provided by Jean. However, it’s worth noting that gymnosperms typically produce cones (also called strobili) that contain the reproductive structures, rather than the ovules developing into cones. The cones can be either male or female and are responsible for the production and dispersal of pollen or seeds, depending on the species. Therefore, the development of cones should be included in the life cycle of a gymnosperm, but it does not necessarily occur just before or after a specific step in the sequence listed by Jean.

Hope I could help.


The missing step is Before step 1, wind carries pollen from the male to the female cones.

The life cycle of a gymnosperm begins with the production of pollen in male cones. The pollen is then carried by the wind to female cones, where it fertilizes the ovules. The ovules then develop into seeds, which are dispersed by the wind or animals.

The correct order of the steps is:

Wind carries pollen from the male to the female cones.
The pollen gets stuck in a sticky liquid.
Sperm from the pollen fertilize the egg in the ovule.
The ovule develops into a seed.
When mature, the seeds are dispersed.
So the answer is Before step 1, wind carries pollen from the male to the female cones.

Which material should the engineer choose if he wants the filling design to be durable and attach to the natural tooth?
A. composite
B. silver
C. gold
D. porcelain

Answers

A. Composite is the material that the engineer should choose if he wants the filling design to be durable and attach to the natural tooth. Composite is a tooth-colored material made of plastic and glass that is used to fill cavities and repair other dental damage. It is a durable and strong material that can bond well with the natural tooth, providing a natural appearance and long-lasting results. Silver, gold, and porcelain are also commonly used dental filling materials, but they may not bond as well to the natural tooth or offer the same level of durability and strength as composite.

The answer is composite A
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