The electric field strength between a pair of oppositely charged parallel plates is
A. composed of field lines curved in opposite directions.
B. uniform.
C. stronger at the ends.
D. none of the above
Answer: B
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The extinction of dinosaurs was important to the evolution of mammals because
a. this opened many new habitats for mammals. b. with less competition, mammals were able to diversify. c. with new adaptive opportunities, mammals were greatly able to increase in numbers. d. A and B e. all of the above
The basis for dividing Earth's atmosphere into layers is the change of ____________________ with altitude
Fill in the blank(s) with correct word
Longitude lines are known as meridians and converge at the poles
Indicate whether the statement is true or false
The second phase of European expansion was external and also known as colonialism
Indicate whether this statement is true or false.