Answer:
A. single-gene
Explanation:
It is controlled by a single gene that has two alleles. The allele for a widow's peak is dominant over the allele for a hairline with no peak.
Answer:
Even though it can be undone, a new product is formed in photosynthesis. So it's a chemical process
A: has a specific active site
I believe it is the Nitrogen cycle although all of the cycles use bacteria. Only nitrogen requires nitrogen fixing bacteria to keep the cycle going.
Answer:
cloudy skies and prolonged precipitation can occur, with mesocyclone systems. When the warmer air mass is very humid, heavy or extreme precipitation can occur.
Explanation:
