When was the Younger Dryas period?

A. about 1,200 years ago
B. about 120,000 years ago
C. about 120 years ago
D. about 12,000 years ago


Answer: D

Environmental & Atmospheric Sciences

You might also like to view...

The United States has ____ its goal of contributing .7% of its annual national income to the Millennium Development Goals

a. fallen short of b. Met c. Exceeded d. always met or exceeded e. Changed

Environmental & Atmospheric Sciences

What pesticide has been primarily used historically world-wide to control mosquito populations?

A) DDT B) lead C) synthetic estrogens D) mercury E) PCB

Environmental & Atmospheric Sciences

This figure shows the Moon at four different positions, representing four different times, as it orbits around Earth. At which position would there be a full Moon as seen from Earth? 

A. 1 B. 2 C. 3 D. 4

Environmental & Atmospheric Sciences

Indigenous peoples or other marginalized ethnic groups are sometimes referred to as:

A. First World B. Second World C. Third World D. Fourth World E. Fifth World

Environmental & Atmospheric Sciences