I think it's convection currents or conduction or global warming
Answer:
C
Explanation:
As air passes through our own body causing respiration
I think the answer is C sorry if i got i wrong.
You didn't list any...
LAC = inducible repressor
TRP = repressive
Crossing over, or recombination is the exchange of chromosome segments between non sister chromatids in meiosis. Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.