Author Question: The vernal equinox occurs in March in the Northern Hemisphere. Indicate whether the statement is ... (Read 52 times)

CharlieWard · **on:** Jul 14, 2018

The vernal equinox occurs in March in the Northern Hemisphere.

Indicate whether the statement is true or false.

Question 2

We now know that the warming of the Earth in the last 200 years is largely due to humans and their effects on:

A) environmental pollutants like arsenic
B) atmospheric carbon dioxide
C) organochlorides
D) biomagnified mercury
E) none of the answer choices are correct.