Earth Science - Fin

What can you estimate about a Cepheid variable if you know its absolute magnitude and apparent magnitude?

• distance

• temperature

• volume

• mass

Why was Mercury unable to retain an atmosphere during its formation

• mercury is the largest planet

• mercury is the farthest planet from the sun

• mercury revolves slowly

• mercury has a high surface temperature and has a low mass

Which letter represents the continental margin?

• A

• B

• C

• D

When were rock layers A through D uplifted and tilted?

• after deposition of layer G

• after deposition of layer F and before deposition of layer G

• after the deposition of layer D and before the deposition of layer E

• after deposition of layer A and before deposition of layer G

Animals capable of moving independently of ocean currents, by swimming or other means of propulsion are called --

• benthos

• plankton

• pelagic

• nekton

The dew point is the temperature at which

• cumulus clouds change to cirrus clouds

• hailstones are formed

• liquid water changes to vapor

• air becomes saturated with water vapor

What is the innermost layer of the sun called?

• the core

• the radiation zone

• the chromosphere

• the corona

The sun produces energy by converting

• helium nuclei to hydrogen nuclei

• hydrogen nuclei to helium nuclei

• oxygen nuclei to carbon dioxide

• oxygen nuclei to nitrogen nuclei

What current in the North Atlantic Gyre is represented by B? Is this current a warm water current or a cold water current

• Gulf Stream Current; warm

• Gulf Stream Current; cold

• North Equatorial Current; warm

• North Equatorial Current; cold

What is the outermost layer of the sun called?

• the core

• the radiation zone

• the chromosphere

• the corona