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vodomira [7]
3 years ago
10

How was the clean air act of 1970 different from previous legislation aimed at reducing pollution?

Biology
1 answer:
Ede4ka [16]3 years ago
8 0

Answer: B

Explanation:

I just did it

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The creation of new crust at the middle of mid-ocean ridges is also
Gennadij [26K]

Answer:

B.sea floor spreading

Explanation:

The creation of new crusts at the middle of the mid- ocean ridges is also sea floor spreading.

The process of sea floor spreading entails the creation of new crusts at the margin of the oceanic crusts.

Basaltic materials from the subsurface upwells to the surface.

They cool and solidifies to form new crusts. The old crust is moved behind and away from the margin. This way, sea floor is formed and it spreads in like manner.

At this margin sea floor is created and at a convergent margin, it is destroyed.

7 0
2 years ago
True or false the typical X shaped chromosomes is the result of DNA replication​
hodyreva [135]

Answer:

True

Explanation:

Truly, the typical X shaped chromosomes is the result of DNA replication. When the DNA has replicated, it then condenses and coil into the X-shaped of the chromosome. This then implies that replicated chromosomes take the X-shaped structures seen under a microscope.

When this replication occurs, the chromosome is made of two structures that are identical. They are known as the sister chromatids. These chromatids are actually joined at the centromere.

3 0
2 years ago
A psychology instructor is lecturing on the processes and mechanisms of messages in the nervous system. She has come to the part
trapecia [35]

Answer:

She should use the example of "the wave" in stadiums to illustrate the idea of a nerve impulse.

Explanation:

"The wave" in a sport stadium is a good example to explain how a nerve impulse works because it shows how an action potential travels from one point to its destination making changes in the membrane potential that would be the equivalent of people standing up and sitting down to allow the next row to do the same to reach its final destination.

7 0
3 years ago
Growth and repair of normal cells is result of
pychu [463]

Answer:

cell division

3 0
2 years ago
Which statements regarding hypotheses are true?
maks197457 [2]

Answer:

a,c,d

cause edgenute

uh, yeah! have a good day!

7 0
2 years ago
Read 2 more answers
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