Which of the following would not be part of a weather description?

a. wind speed

b. air temperature

c. air pressure

d. tide height

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

What was on result of the potato famine

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."