How do geologists know that earth and the solar system are approximately 4.6 billion years old?

In two or more complete sentences describe a short term effect of water erosion on humans, and discuss how this might be reduced.

Which of the following is a way colonization affected africa? a. it decreased diversity in africa b. it created an import based economy in africa c. it industrialized africa d. it created many unstable governments in africa

What two tectonic plates caused the Himalayan mountains

What capital is built on seven hills?

A pineapple has 9 grams of sugar per slice. a watermelon has 18grams of sugar per slice. Which statement is true?

What religion do most people in Spain, Portugal, and Italy practice?

Wind patterns are a. caused by the moon s pull upon the earth. b. relatively unimportant as climate factors. c. important factors in the earth s climates. d. almost impossible to determine and track.

What is the highest and largest group of mountains in georgia?

What is the economy of the Mediterranean coast of France based on?

Which nations are run by a prime minister? Canada, Greenland, Mexico, or U. S