Answer:
B!
Explanation: hope this helps
A single mutation can have a large effect, but in many cases, evolutionary change is based on the accumulation of many mutations. Gene flow is any movement of genes from onepopulation to another and is an important source of genetic variation.
Hoped this helped!
The fossil record provides evidence of Earth’s changes over time. It's a record keeper of the Earth'd changes over time.
Answer:
They are made of gases.
They contain iron in their cores.
They make energy through fusion.
Explanation:
