The climate system consists of the ________.

Ozone is a major component in a noxious mixture of gases and particles called ________.

A hurricane causes the most damage in the coastal zone because of ________.

The trace gas(es) that is(are) most important are ________.

A worm would stand a poor chance of being fossilized because ________.

The trace gas(es) that is(are) most important are ________.

The best-known features on the surface of the Sun are dark blemishes called ________.

For a radiometric date to be useful, which of the following is true?

Which of the following geologic observations would not bear directly on working out the sequence of geologic events in an area?

Feedback mechanisms that produce results that are just the opposite of the initial change are called ________.