Would humans be classified as autotrophs or heterotrophs? Explain.

How deep is the Mississippi River?

For each experiment constants below, specify the independent variable, dependent variable, control group and any student wanted to test how the mass of a paper airplane affected the distance it would fly.

Match these items. 1. ozonosphere the major source of pollution2. troposphere the changing of a gas to a liquid. condensation the changing of liquid to a gas 4. ionosphere carbon dioxide and water vapor trapping heat given off by Earth5.

Regional metamorphism produces nonfoliated metamorphic rocks in the depths of mountain ranges, which erosion eventually exposes as "mountain roots" hundreds of kilometers wide and thousands of kilometers long. True / False.

Why is the earth round?

The current US government is an example of: unitary system representative democracy confederate system oligarchy

How do you map pangea?

Name the 4 things that South America, North America, and Central America have in common.

When the water level of a stream or river exceeds its natural banks, it has reached its

What period, era, and eon do we live in?