Why is Mercury difficult to observe It is very dim It is always near the Sun in

Question

Why is Mercury difficult to observe It is very dim It is always near the Sun in the sky It is usually on the other side of the Sun from the Earth It never rises until after midnight The atmosphere on Mercury Is mostly carbon monoxide Is very thin compared to Earth's Contains trace amounts of oxygen Is so opaque that we cannot see the surface The scarps that cut across the surface of Mercury probably were Cut by flowing lava Produced by impacts Formed when the crust buckled as Mercury cooled Formed when crustal plates ran together during plate tectonics Why are the craters on Mercury generally larger than lunar craters There is more surface gravity on Mercury, compared to the Moon. Meteroids are larger near Mercury's orbit. Mercury had more volcanic activity than the Moon, producing more volcanic craters. The larger lunar craters have been eroded away. Why did ejecta from impact craters travel farther from craters on the Moon than from craters on Mercury There is more air resistance on Mercury than on the Moon The objects that struck Mercury were larger. Mercury has a larger gravity than does the Moon The curvature of the Moon is greater than that of Mercury Why are there more craters on Mercury, than on Venus Earth and Mars Large scale crustal motions With preserve the existing creatures on Mercury. More collisions with Meters have occurred on Mercury's surface, compared with Venus. Earth and Mars. Larger volcanic eruptions have occurred on Mercury's surface, compared with Venus, Earth and Mars.

Explanation / Answer

1. B

2.B

3.C

4.D

5.C

6.B

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