All of the following are true regarding sunspot activity except
A) solar flares are more common with maximum sunspot activity.
B) the Little Ice Age occurred when there was a minimum of sunspot activity.
C) there is, on average, an 11-year cycle for sunspot cycles.
D) more sunspot activity means less overall energy emitted from the sun.
D) more sunspot activity means less overall energy emitted from the sun.
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Who was responsible for the environmental movement?
a. Charles Darwin b. Edward Ricketts c. Rachel Carson d. Jared Diamond
What is the general direction of the movement of California compared to the center of the continent?
A) southeast B) northeast C) west D) northwest
Which of the following statements is true of hemiacetals?
A) All hemiacetals are stable. B) All hemiacetals are unstable. C) Some cyclic hemiacetals are stable. D) Hemiacetals have two OH groups bonded to the same carbon.
A rock at the top of a slope that starts to roll down, it is losing kinetic energy and gaining potential energy.
Answer the following statement true (T) or false (F)