The ozone layer reflects the suns heat hottest layer in the atmosphere
Answer:
Mutations can be caused by radiation
if my answer helps you than mark me as brainliest.
Answer:
<h2>A</h2>
Explanation:
1. Nucleus is a ball like structure which is found in the center of the cell only in eukaryotic cell, true nucleus is absent in prokaryotes.
2. Nucleus contains nucleic acid and is have double membrane which contain pores though which transport of molecules occurs.
3. DNA replication , transcription and RNA splicing occur in the nucleus.
They are both made up of organisms
