Answer:
C
Explanation:
Mexico gained its freedom in 1820
The mission of the U.S. Fish & Wildlife Service is to "working with others to conserve, protect, and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people."
We should grow many trees.If we don't the world will warm in the next 20-80 years.
Answer:
7.0 - 1.4 = 6.4
Explanation:
the pollution is increasing 1850 to1960 in a constant speed but from the year 1970 it start increasing very fastly
