The volcanically active Mid-Atlantic Ridge is marked in Figure 2 with red arrows denoting motion that identifies it as a plate boundary.
A. divergent
B. convergent
Answer: A. divergent
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Plastic wrap is made of nonpolar molecules and is able to stick well to polar surfaces, such as glass, by way of dipole-induced dipole molecular attractions. How is it that plastic wrap also sticks to itself so well?
A. Ions are formed as the plastic rubs against itself. B. by way of dipole-induced dipole molecular attractions C. by way of dipole-dipole molecular attractions D. by way of induced dipole-induced dipole molecular attractions
How many basic tastes can humans distinguish?
A) 3 B) 4 C) 5 D) 6
The primary factor that determines whether water moves by turbulent or laminar flow is ____
A)discharge B)gradient C)velocity D)area E)infiltration capacity
How old is the oldest crust in the oceans? Why is the oldest crust located where it is?
What will be an ideal response?