Evan is a substance produced by a living organism which acts as a chemical symbol en
Explanation:
enzyme is produce by a living organism which acts as a catalyst to bring about a specific biochemical chemistry
Answer:
Bears eat plants, insects, fish, and animals.
Explanation:
Once the rock has been weakened and broken up by weathering it is ready for erosion. Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity. Mechanical weathering physically breaks up rock. One example is called frost action or frost shattering.
Answer: C)
Explanation:
I am 100% sure, however,
a) It is true that developed countries have lower death rate, but that doesn't contribute to the question and supports the opposite thesis.
b) In developed countries there is less birth rate as we see with demographic crisis in Europe and China.
c) Lower birth rates provides less people for the economy and is the most feasible answer
d) Fake news, there are actually lower death rates in developed countries compared to developing ones.