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Which best explains how Earth and the sun cause the seasons?

• Earth’s continuous rotation on its axis creates the seasons.

• The sun’s gravitational pull upon Earth creates the seasons.

• The sun’s tilt as Earth rotates around it creates the seasons.

• Earth’s tilt and revolution around the sun create the seasons.

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Which contributes to Earth’s ability to sustain life?

• The atmosphere allows all of the sun’s radiation to enter due to Earth’s distance from the sun.

• The atmosphere prevents all space debris from reaching the surface due to the ozone layer.

• The atmosphere is extremely thin due to the temperatures of the sun.

• The atmosphere is breathable due to the unique mixture of gases.

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Why are there high and low tides on Earth?

• They are due to changes in the moon’s tilt on its axis.

• They are due to the gravitational pull between Earth and the moon.

• They are due to the magnetic force between Earth and the moon.

• They are due to changes in the moon’s speed every month.

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What effect does this arrangement have on the tidal range?

• The tide is larger than normal because the gravitational forces of the sun and moon pull in the same direction.

• The tide is larger than normal because the gravitational forces of the sun and moon pull in opposite directions.

• The tide is smaller than normal because the gravitational forces of the sun and moon pull in the same direction.

• The tide is smaller than normal because the gravitational forces of the sun and moon pull in opposite directions.

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Which describes the revolution of the moon, Earth, and the sun?

• The moon and the sun revolve around Earth.

• The sun revolves around Earth; both the sun and Earth revolve around the moon.

• The moon revolves around Earth; both the moon and Earth revolve around the sun.

• Earth revolves around the moon; both Earth and the moon revolve around the sun.

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Which best explains why the Northern Hemisphere’s temperature is cooler in winter and warmer in summer?

• The sun causes more evaporation in summer and less in winter.

• The sun is lower in the sky in summer and higher in the sky in winter.

• Earth is closer to the sun during summer and farther away during winter.

• Earth is tilted on its axis causing some areas to receive more direct sunlight during summer and less during winter.

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How do the sun, Earth, and moon most likely affect tides?

• Earth’s gravitational pull on the sun creates tides.

• Earth’s gravitational pull on the moon creates tides.

• The sun and moon’s gravitational pull on Earth creates tides.

• The sun’s gravitational pull upon the moon creates tides on Earth.

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What causes the summer to be the warmest season?

• The Earth’s tilt causes the shortest days with the most intense sunlight.

• The Earth’s tilt causes the longest days with the most intense sunlight.

• The Earth’s tilt causes the longest days with the least intense sunlight.

• The Earth’s tilt causes the shortest days with the least intense sunlight.

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Which is most likely the cause of tides on Earth?

• gravity

• magnetism

• solar storms

• asteroid belt

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Which gives the Hubble Space Telescope an advantage over telescopes on Earth?

• its location

• its being a natural satellite

• its low cost of construction

• its ease of accessibility for repairs