SS Lesson 4 Quiz

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1 point

The thick clouds on Venus are made up mostly of carbonic acid droplets.

True

False

1 point

Space ships have given scientists important information about Mercury, Venus, and Mars.

True

False

1 point

Mar's atmosphere is composed mostly of

oxygen

carbon dioxide

nitrogen

hydrogen

1 point

All the inner planets have an atmosphere except

Venus

Mars

Mercury

Earth

1 point

The inner planets are small and dense and have smooth surfaces.

True

False

1 point

The inner planets that experience a greenhouse effect are

Mercury and Mars

Earth and Venus

Venus and Mars

Mercury and Earth

1 point

Mercury rotates so slowly that its day is longer than its year.

True

False

1 point

Some regions of Mars have giant

volcanoes

rivers

lakes

forests

1 point

Oxygen makes up about 20 percent of Earth's atmosphere.

True

False

10.

1 point

Earth is unique in our solar system for having liquid mercury on its surface.

True

False

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