Consider a cell that has four pairs of chromosomes. What is the number of possible chromosome orientations in that cell?.

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

"d.) carbon dioxide and hydrogen sulfide"

sex cells are usually half's then they find another half and make a fertilize egg

the answer

b.) bowling ball