The Earth's mantle is

A - cooler than the crust but hotter than the core.

B - hotter than both the crust and the core.

C - hotter than the crust but cooler than the core.

D - cooler than both the crust and the core.

The early Paleozoic era was the time of the Cambrian explosion. What happened during the Cambrian explosion? A.) Earth was undergoing lots of contractions as it cooled off. B.) There were frequent earthquakes and lots of volcanic eruptions. C.

The earliest fossil records indicate that life appeared on Earth about a billion years after the formation of the solar system.

Which country has a sizeable supply of underground crude oil and petroleum but has a very difficult time extracting it from the ground because of its long, bitter cold winters and short summers?

what IS the threat of GMOs. One major food chain has stopped selling GMO-related foods and there have been some criticisms of this move. Are they really that dangerous? What does the data show?

Ethnic groups do not originate in a specific location. Group of answer choices True False

What is a famous part of the savanna in Kenya and Tanzania called?

Match each place with the region in which it is located. Mount Scott Rich Mountain Tallgrass Prairie Reserve Alabaster Caverns Black Mesa Ouachita Mountains Gypsum Hills Wichita Mountains High Plains Sandstone Hills

What is the name for any side of a building that is intended to be looked at?

4. What is the most common element found in the composition of minerals?

How did the moon form?