Fissure because it's like a large gaping crack in the earth
B because a new species adds more diversity to your ecosystem
Because rising temperatures would cause
Droughts
Heat waves
More forest fires
Melting Ice caps
Floods
and more severe storms.
Um i think the definition for back-grounding is an intermediate stage sometimes used in cattle production which begins after weaning and ends upon placement in a feedlot. I think i am correct i am 84% sure. Mark brainiest if this helped.
Have a nice day or night