Plants typically absorb carbon dioxide and give off oxygen during the day. However at night this tends to be the opposite and plants will absorb oxygen and give off carbon dioxide. Please expalin:
A) What are the names of 2 processes are happening in plants that cause this
B) when each process happens
C) why each process happens when it does
(this is science)

What did hunter gathers do to alter the environment?

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

Produce proteins by following coded instructions that come from the nucleus of the cell.