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Examine the sketch of a bend in a river. The arrows show the water flow direction. In which of the four lettered locations will the water be moving at the highest velocity (and, therefore, cause most of the erosion)?

According to the big bang theory, the first two elements to form in the universe were ________.

________ are objects from which light cannot escape because of the immense gravitational pull at its surface. They are produced from supernova events.

If a full moon rises during high tide at 8:00 pm tonight, what can I expect to happen tomorrow night at 8:50 pm?

Olympus Mons, the largest known volcano in the solar system, is found on ________.

To calculate the age of a rock, you need to know the parent-daughter isotope ratio and ________.

Saturn’s well-developed rings are made of ________.

Our solar system resides in the ________.

Which of the four breezes shown in this figure best illustrates a sea breeze? (Consider, as well, the timing when a sea breeze is likely to occur?)

Iceland (an island in the North Atlantic Ocean) sits on a ________ plate boundary.