The map shows where glaciers existed 250 million years ago.

Which explanation is supported by the data in the map?

• Glaciers formed in the locations shown on the map because of a change in climate that caused the southern hemisphere to experience an ice age.

• Glaciers at one time covered most of the continents in the world, but the glaciers melted and the areas on the map are places where glaciers still remain.

• There is evidence of glaciers in the areas identified on the map because the current climate in those areas still supports glacier formation.

• There is evidence of glaciers in the areas identified on the map because the continents were once located near a polar region, but then over time the continents moved apart.

Which is an example of a mineral being used in everyday life?

• Coal is used for heating.

• Mica is used in the manufacturing of cosmetics.

• Lumber is used to build shelters.

• all of the above

Geothermal energy is nonrenewable.

• True

• False

Which of the following is NOT a nonrenewable energy resource?

• oil

• coal

• uranium

• wood

Which of the following is a source of renewable energy?

• solar power

• fossil fuels

• nuclear fission

• oil

_____ are deposits of minerals that are large enough to be mined for a profit.

• Run-offs

• Metals

• Ores

• none of the above

The organic matter in soil is made of ____.

• dead worms

• stems

• roots

• all of the above

____ is a factor that affects soil development.

• Time

• Slope

• Type of rock

• all of the above

How long does it take for soil to form?

• a few hours

• thousands of years

• a few days

• a few years

A low volume of pores means the rock has low porosity.

• True

• False