How does "space weather" affect you?
A. It causes electrical surges that can disrupt power systems.
B. It causes the Earth's magnetic field to form and permits navigation.
C. It causes moving air and clouds on Earth that causes weather systems.
Answer: A
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Your friend says that the heavyweight champion of the world cannot exert a force of 50 N on a piece of tissue paper with his best punch. The tissue paper is held in midair, no wall, no tricks. You
A) agree that it can't be done. B) have reservations about this assertion. C) disagree, for a good punch easily delivers this much force.
The fundamental period of a building is:
a. highest in tall buildings b. highest in low buildings c. depends on the geology of the site d. varies with distance from the epicenter
How can historical records be used to analyze past climates?
What will be an ideal response?
Which of the following best describes the major advantages of generating electricity with nuclear power plants?
A. there is an infinite supply of uranium and is easier to connect to the electrical grid. B. generates electricity on a large scale and does not emit carbon dioxide. C. generates electricity on a large scale and is easier to connect to the electrical grid. D. easier to connect to the electrical grid and does not emit carbon dioxide. E. there is an infinite supply of uranium and does not emit carbon dioxide.