Which substances are commonly found far from the Sun? Select all that apply.

a. iron

b. water

c. methane

d. ammonia E. silicate rocks F. carbon dioxide

The total amount of energy contained in an object.

How do you find the efficiency of a motorized machine given the work input and output?

A researcher wants to show the effects of slight changes in pH on the reproductive rates of fish in a lake. Why would a table be more suitable than a graph to show the data?

Describe the seasons on the planet Uranus.

What effect does increasing mass have on the amount of friction generated

A space probe produces a radio signal pulse. If the pulse reaches Earth 12.3 seconds after it is emitted by the probe, what is the distance from the probe to Earth?

Do substances that heat up quickly have high or low specific heat capacity?

A substance has a specific heat of 0.870 J/g°C. It requires 2,000.0 joules to increase the temperature of 10.0 grams of the substance from its original temperature to its final temperature. By how many degrees did the substance increase? A 87.

How many earth years does it take mars to orbit the sun

Which represents a system that is almost completely closed?