What are the two main gases found in earth's atmosphere?

a. nitrogen and argon

b. argon and methane

c. carbon dioxide and oxygen

d. oxygen and nitrogen

What can you infer about where coal can be found in the U. S.?

Is Switzerland southeast of the Czech Republic?

In the rock cycle, what happened when heat and pressure are applied to sedimentary rock without melting the rock? A. It turns into magma B. It becomes metamorphic rock C. It crystallizes into igneous rock D. It erodes and becomes sediment

What are 4 types of air masses that affect the continental us?

What two earth changing events can occur when the plates underneath the ocean spread?

What happened when Belgium left the Congo? a. The nation became divided. c. Many groups were discriminated against. b. The nation entered civil war. d. all of the above

After Agriculture and Manufacturing what was the largest industry in the United States

In what ways do landforms affect other physical patterns, such as the shape of rivers?

The shorter leg of a 30°-60°-90° triangle measures 3 inches. What is the length of the longer leg?

The use of mechanized farming techniques is well-suited to geographic areas that A. have a shortage of inexpensive labor. B. are closer to major urban areas. C. have large expanses of flat land. D. experience frequent flooding. ea