Answer:
Ozone layer... pollution
Explanation:
The ozone layer is a layer in the atmosphere which provides a barrier between harmful UV rays and the Earth. However, pollution is quickly depleting the layer which in turn creates a higher risk of skin cancers and other conditions caused by harmful UV rays.
Answer:
1st option
Explanation:
they adapt throught genetic variations
Answer:
A)G2phase
B)Metaphase
C)Telophase
D)G2phase
Explanation:
A. G2phase (it could not complete prophase) being a subphase interphase, it directly enters into the mitosis. Also helps in completion of the S phase, during DNA replication.
B. Metaphase (it could not enter anaphase) here, the chromosome condenses and coiled, with them they have genetic material, lie in the equator before getting separated.
C. Telophase (it could not divide into two daughter cells) being the last stage in meiosis and mitosis, the role of prophase and prometaphase gets altered.
D.G2phase (it could not enter prophase)
It is the blood helps to resist change ph