When your cat stalks and pounces on a bird, the cat is quiet, seemingly a cold-blooded killer, indicative of ___ aggression, but a cat when confronted by a bear arches its back, bristles its fur, and hisses menacingly at the bear is indicative of ___ aggression.

the answer to you question is   jet streams

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

i believe it would be c: tons.