About what percent of greenhouse gases comes from farm animals

Which of the following represents the most powerful earthquake? a. Kuril Islands, 8.5 b. Great Chilean, 9.5 c. San Francisco, 7.8 d. Prince William Sound, 9.2

Which commonly occurring fossil is a bivalve? a. coral b. crinoid c. pectinoid d. bryozoan

1. What role did Marco Polo play in the age of exploration? a) He found the first sea route to Asia. b) He conquered native peoples in the Americas. c) He invented new tools and methods of navigation.

Which statement describes summer in the northern hemisphere The North Pole is tilted toward the sun The suns rays grow less direct The South Pole is tilted toward the sun The sun appears directly overhead

Select the correct answer. A meter is an SI unit. Which quantity might you measure in meters? O A. temperature OB. mass Oc. length OD. electric current

Witch South America country is the farthest place on the earths surface from the earths center located Brazil Ecuador Peru Chile

Total land mass area of europe in square kilometres

The population density of the Philippines is 798 people per square mile. If many refuges arrive from a neighboring country how will they affect the population density? O A. Cannot be determined. O B. The population density will decrease. C.

Select all of the true statements about deep ocean currents. A. They form gyres. B. They transport heat across Earth's surface. C. They are known as "thermohaline circulation." D. They are caused by wind and Earth's rotation. E.

What is the difference between emigrate and immigrate?