Answer:
inhalation and exhalation
Explanation:
Answer:
RNA Polymerase
Explanation:
I took a bio class last year
Answer:
Explanation:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.
Answer:
A.
Explanation:
All other options are simply situational, while cold periods are usually seasonal.