Most of the stars in colliding galaxies
A) do not make contact with one another.
B) coalesce into larger stars.
C) exchange amounts of material in proportion to their masses.
D) end up as binaries.
E) undergo accelerated collapse.
A
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A depositional landform that is produced where a stream meets the sea is a
A) sea stack. B) moraine. C) cavern. D) delta.
The collision efficiency:
A) is approximately one regardless of drop size. B) is affected by the compression of air just below the collector drop. C) is governed primarily by the temperature of the air. D) is highest for droplets of equal or nearly equal size.
Discuss why it is so difficult to prove that Earth's current warming trend is due entirely to increasing concentrations of greenhouse gases
The country presently called __________ resisted the forces of European colonizers scrambling for African land in the 1800s.
a. Eritrea b. Ethiopia c. Tanzania d. Somalia e. Kenya