The fossil record suggests that the first animals to evolve lived

A.) in the air

B.) in swamps

C.) on land

D.) in the sea

A 90kg man is standing still on frictionless ice. His friend tosses him a 10kg ball, which has a horizontal velocity of 20m/s. After catching the ball, what is the man's velocity?

An experimental mouse weighs about 4.41 x 10-2 lbs. what would the weight be in the si unit for mass?

Diffraction patterns are due to

As altitude increases, how does air pressure change? Why?

What can happen to the atomic particles when u rub two objects together

Ideal meters problem. What internal resistance is ideal for a voltmeter? What internal resistance is ideal for an ammeter?

numerical question : what is the required heat to raise the temperature of 2 kg parrafin by 10 Celsius if 44000 joules is required to raise it by 200 celsius

Psychologists avoid studying emotions because they have little impact on behavior T F

Sheila lives in the seashore community of Beachview. At 6:00 a. m. one morning, she noticed that the local ocean water was at high tide. At approximately noon that same day, she noticed the water was at low tide.

How many pounds are in 427.06 g? 1 gram = 2.20 * 10-3 lb A. 194,118 lb B. 194.12 lb C. 939 lb D. 0.939 lb