What is recombination?
a. combined gene pools of many populations
b. movement of genes across populations
c. random genetic changes in small populations
d. new groupings of alleles in offspring

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

What type of pollution does household garbage cause

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.