Radioactive dating enables geologists to determine

the absolute ages of rocks.

the relative ages of rocks.

the age of the atoms in a rock.

the half-life of a fossil organism.

Match these items. 1. 78 percent of atmosphere ozonosphere 2. 21 percent of atmosphere troposphere 3. absorbs most ultraviolet rays stratosphere 4. atmospheric weather nitrogen 5. starts seven miles above the Earth greenhouse effect 6.

What season is it in argentina in january?

Once a current is set in motion, which of the following could change its course? A. coriolis effect B. water density C. water salinity D. fetch

Except for south and southeast asia, which ocean influences the moistest areas of the world?

What may be inferred by an "out of place" fossil? 1. It was not found in its natural environment. 2. It died from natural causes in its expected environment. 3. It was transported to an unnatural environment.

The blocking off of an estuary from the sea forms a (n)

Why are there few or no clouds in the stratosphere

Why did Columbus use prisoners as part of the crew

Wich american started a settlement in texas in the early 1820s?

Was Germany's location a problem WW1