Why is Earth's current atmosphere made up mostly of nitrogen and oxygen?

a. Earth is eroding.

b. Earth is warming up.

c. Earth is continuing to cool.

d. Earth has living things on the surface.

Term was used to describe the unfenced space in pastures and countryside where cattle were allowed to roam and grazed freely

Which of the following statements about extraneous variables is not accurate? a. An extraneous variable can also be a confounding variable. b. An extraneous variable clarifies the relationship between the independent and dependent variables. c.

What is the recommended rest period for power adaptations during a training period?

What is special about nitrogen, and what is its main function in the atmosphere

Compare the economic system of Japan, Germany, France, and south Korea to the u. s. free enterprise system

Which feature of government does Montesquieu argue for in his book De l'Esprit des Lois (Spirit of Laws) ?

An instructor wishes to find out whether a new teaching method is superior to his usual procedures, so he conducts an experiment.

What is the English translation of the word détente? confusing loosening fighting tightening

In the 19th century, Europeans built empires in order to a. control trade routes c. impose their ideas and culture b. add to their nations power d. all of the above

Charise and Noreen were having a conversation about men. "You know," Noreen said, "I think my husband tries to annoy me!