Heat flows from

substances.

HA

The element carbon has 3 naturally occurring isotopes. About 99% of carbon isotopes are C-12, about 1% are C-13, and a tiny amount are C-14. What is the average atomic mass of carbon atoms? A) 11.01 amu B. 12.01 amu C. 13.01 amu D. 14.01 amu

Why is an object's weight dependent upon where in the universe it is located? A. Gravitational force is the magnitude of weight acting on an object. Weight varies in different places in the universe; therefore, gravitational force also varies. B.

Bohr found experimental evidence for his atomic model by studying what?

Are speed and position both scalar units

What happen as waves travel and objects in their path move?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.