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: A
Explanation: The elements in the compounds get rearranged. You can't change the amount of hydrogen, oxygen, or carbon the product contains
Answer:
Synapse, more like MY ALLergies
Explanation:
Jet streams are fast moving air currents much like how a river is a fast moving water current so the answer is jet streams.
