When viewing the planets, Mars appears to move backwards, or retrograde, because ________
A) it is rotating around the sun slower than the earth's rotation
B) it is rotating at approximately the same speed but its orbit is more elliptical than the earth's rotation
C) it is rotating at approximately the same speed but its orbit is more circular than earth's orbit
D) it is rotating around the sun faster than the earth's rotation
Answer: A) it is rotating around the sun slower than the earth's rotation
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We say that Earth's current climate is now in a(n) ________ because glaciers cover high latitudes. We further say that it is in a(n) ________ because the glaciers have melted mostly back to the poles.
A. ice age; interglacial period B. ice age; glacial period C. glacial period; interglacial period D. interglacial period; tropical climate
The force on an electron moving in a magnetic field will be the largest when its direction is
A) the same as the magnetic field direction. B) exactly opposite to the magnetic field direction. C) perpendicular to the magnetic field direction. D) at an angle other than 90° to the magnetic field direction. E) none of the above
Explain the ways in which weathered materials are moved
What will be an ideal response?
Which scenario would create the GREATEST deflection for a wind by the Coriolis effect?
A. high latitude, accelerating, fast moving wind B. low latitude, decelerating, fast moving wind C. high latitude, accelerating, slow moving wind D. low latitude, decelerating, slow moving wind