Earth and Environmental Science Review

What are the similarities in obtaining peat and coal?

• both have to be mined underground

• use of only coal pollutes the atmosphere

• mining both destroy habitats

• peat does not pollute the atmosphere

What is the difference in using coal and uranium to make energy?

• coal releases CO2 and uranium does not

• both have to be mined

• uranium has to be mined, but coal is taken from the surface

• there is no difference

Why is the earth widest at the equator?

• due to the rotation and revolution of the earth and, gravitational pull from the sun and moon, the earth bulges at the equator

• due to the rotation of the earth around the sun

• due to centripetal forces

• due to the movement of the sun in the solar system

What causes the ocean currents?

• unequal heating of the earth by the sun

• the rotation of the earth

• the gravitation pull of the sun and moon on the earth

• the revolution of the earth

In what layer of the atmosphere does all weather and life exist?

• troposphere

• stratosphere

• mesosphere

• thermosphere

In which layer of the atmosphere does the ozone occur?

• mesosphere

• exosphere

• stratosphere

• troposphere

What is the content of our atmosphere?

• 78% nitrogen, 21% oxygen and 1% assorted other gases

• 70% oxygen, 21%carbon dioxide and 10% oxygen

• 80% nitrogen, 10% carbon and 10% oxygen

• 70% oxygen, 20%carbon, 10%nitrogen

When do the highest tides on Earth occur

• during a spring tide

• during a new moon

• when the earth, moon and sun are aligned in a straight line

• during a full moon

warm fronts always cause

• rain

• sun

• highs

• wind

cold fronts can cause

• severe but short storms

• high winds and sun

• no wind

• clear skies