How much of Earth's atmosphere is made up of nitrogen and oxygen?

A. 100 percent

B. Between 25 and 75 percent

C. Close to 99 percent

D. Less than 1 percent

What does it mean to outsource job?

Which of the following describes the crust

What is true about a rock layer deposited on top of another rock layer? A - it is older than the rock below B - it is younger than the rock below. C - it is the same age as the rock layer below D - it is no different than the rock layer below

What European country controlled Vietnam until World War 2

The diagram shows cross-cutting relationships among rocks. 3 dimensional representation of cross-cutting relationships. Left side, labeled B, C, E, and F. Right side labeled A and D.

If an Earthquake registered high on the Richter scale and low on the Mercalli scale, then it occurred most likely in which type of location?

What is the name of the largest lake in central america?

Although there are no glacier in florida, how have glaciers affected Florida?

The highest percentage of Australia's forests are A) Acacia B) Rainforest C) Eucalypt

The difference between water levels at low and high tide