Earth Science

Question 1

1. Seismologists measure the magnitude of an earthquake by using the

Answer 1

Richter scale

Question 2

2. The last period of the Cenozoic Era, the , spans from 2.58 million years ago to the present.

Answer 2

Quaternary

Question 3

forms when cold air passes over a lake’s warmer waters, resulting in the rising of warm air and the
formation of clouds and snow.

Answer 3

Lake-effect snow