When a parachute for a falling skydiver opens, speed is suddenly decreased. Acceleration of the diver during the opening
A. acts downward.
B. acts upward.
C. remains unchanged.
D. none of these
Answer: B
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In a solution made from one teaspoon of sugar and one liter of water, which is the solute?
A) sugar B) water C) the teaspoon D) both sugar and water E) none of the above
Electricity generation through urban waste incineration is an example of ________ power generation
Fill in the blank(s) with correct word
Which of the following is TRUE?
A) Richer countries in the First World generally have high student-teacher ratios. B) Many developing countries have no budget for the military and channel all available funds into education. C) Literacy rates in Africa are roughly comparable to literacy rates in Europe. D) There are typically vast gender differences in literacy within developing countries. E) None of the above is true.
The White Australia policy favored immigration from ________, followed by ________
A) Western Europe; Eastern Europe B) Eastern Europe; Western Europe C) Northern Europe; Southern Europe D) Southern Europe; Northern Europe E) The White Australia policy did not favor migrants from any particular European region.