Most of the world's rain and snow comes from the ecosystem.

Renewable resources are those that can be synthesized by humans. Which of the following resources can be extracted from the ocean floor? a. oil b. natural gas c. minerals d. all of the above

You are at the north pole. are you in the arctic or antarctic region?

How are igneous rocks formed? a. sediments deposit in a lake and turn to stone. b. lava or magma cools and then crystallizes. c. heat and pressure from nearby magma changes existing rock. d. lava or magma heats up and crystallizes.

Since most of the Pacific's low islands have poor soil and few mineral or energy resources, they A. have relatively large populations. B. have relatively small populations. C. produce bananas and cacao. D. are mainly urban centers.

What mountain range is often considered to be the division between Europe and Asia? A) Alps Highlight 00:47:54 de Urals Atlas D) Pyrenees

1 The human genome project identified the sequence of base pairs in human DNA and identified several g would least likely lead to a scientific investigation based on these findings? Are certain humans more likely to develop genetic diseases?

Mars has no weather. True False

Which of the following bodies of water is not located along Canada's coasts? a. Beaufort Sea b. the Gulf of Mexico c. the Arctic Ocean d. Hudson Bay

What causes the wind? A) The earth's orbit around the sun B) The earth's rotation on its axis. C) The layers of the earth's atmosphere. D) Uneven heating of the earth's surface by the sun.

What country does Aruba belong to?