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

a.

atriums

c.

auricles

b.

ventricles

d.

blood vessels

Kevin, whose mass is 80 kg, is moving along at a velocity of 4 m/s. He doubles his velocity by going down a hill. How much kinetic energy does he have after going down the hill? J

A cat has a mass of 3 kg and runs at a speed of 6 m/s. how much KE does the cat have

How does a scuba diver get the "bends"?

How much work is performed by a student pulling a sled using 175 N of force over a distance of 200 meters?

What is its speed when it is very far away from the earth?

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons

Gamma radiation can be significantly reduced by ... A sheet of paper Air A 3 mm thickness of aluminium Several cm of lead