Over the last 100 years, what has happened to average global temperature?

.

It has risen.

It has fallen.

It has stayed the same.

Average temperature never changes.

What is the farthest planet from earth?

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?

Which statement is correct? When a positively charged atom looses an electron to a positively charged atom, two neutral atoms are created. When a neutral atom looses an electron to another neutral atom, two charged atoms are created.

What is the distance between two equivalent parts of a wave called?

You cannot get more work out of any machine than what you put into it. 1) True 2) False

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...

The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.

What is a lever used for?

What did the romans build as a step toward environment management

Accelerations are produced by equal forces or unequal forces?