The two lower chambers of the human heart are known as:

a.

atriums

c.

auricles

b.

ventricles

d.

blood vessels

In regions where few species existed before or where species were wiped out what occurs?

Two different examples of forces that could cause a change in motion

In an inelastic collision where does the kinetic energy lost from the objects go? What kind of energy does the kinetic energy turn into?

The steps in the formation of sedimentary rocks are listed below in an incorrect order. 1. Rocks are weathered. 2. The sediments are compacted together. 3. They are deposited in layers. 4. Small pieces of rocks are carried by water.

Straight-in spaces can leave you a safer out if

What are the steps that produce electricity from this fuel

Adrian read about a new antimicrobial in a popular magazine. The advertisement claimed that the product Bactokil prevents bacterial growth. So, Adrian conducted a controlled experiment to test the product claims.

A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5 m/s) in the first 15.0 m of the race. what is the average acceleration of this sprinter, and how long does it take her to reach that speed?

How are primary and secondary succession similar and how are they different?

What relates the net force exerted on an object to its mass and acceleration?