Answer:
due to natural selection , if the predator of the gazelle declines, then the prey the gazelles will increase since there isn't many cheetahs killing them anymore.
the second should be competition, since there will be more gazelles needing to eat.
Explanation:
AB is the universal acceptor.
This is because it has both A and B antibodies.
This provides the soil with nutrients. When the remains of the crops decompose they release nutrients into the ground rather than leaving the ground barren
Pyroxene and plagioclases feldspar
