Answer:
Mutation is any change in the DNA sequence
It can be both disadvantageous or advantageous
Answer:
ice age/ Quaternary glaciation
Explanation:
Ice ages have occurred in the earth history and do occur more or less regularly in a cycle. It is believed that ice ages are as a result of small changes in the earth's orbit and also dependent on the solar cycles. The temperatures on the earth reduce causing the ice sheets in the poles to extend to the subtropics.
The answer is B- Vibrate <span>with the frequency of the received sound.</span>