Answer:
E. only the first and second choices
Explanation:
Small animals often have smaller habitat ranges than other larger animals.
This means they have fewer places where they can survive, needing some specific environmental conditions. More specific than some bigger animals.
Small animals often have more specialized requirements for living than larger animals.
Some little changes in temperature or weather can affect a lot to some small animals and can not affect bigger ones.
Answer:
C
Explanation:
Increasing enzyme concentration will speed up the rate of a reaction, as long as there is substrate available to bind to.
Answer:
The correct answer is "greater cost and lower usage" - in fact, the cost is becoming more and more lower and the usage is increasing (those two are actually not unconnected).
Explanation
its c
