Enzymes are in the Proteins class
Answer:
true
Explanation:
because some countries don't have as much as the united states
Answer:
A. increased
Explanation:
In general, life has gotten more complex through history. However, there have been times when biodiversity as been substantially reduced. (We may be in one of those times at present.) We cannot say that the complexity of life has increased <em>throughout</em> the history of any particular place, but we can say the long term trend has been one of increase.
A.
Sound absorption depends more on the thickness of a material than its color.