Paul lights bulbs in a parallel circuit. If he adds another branch of bulbs the brightness of the initial bulbs would be
A. brighter.
B. no different.
C. dimmer.
D. none of the above
Answer: B
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Meridians of longitude measure
A. positions north or south B. depths of the oceans C. positions east or west D. heights of mountains
The presence of ____________________ in the upper 40 m or so of a glacier indicates that this portion behaves not as a plastic, but as a(n) ____________________ solid
Fill in the blank(s) with correct word
Which one of the following statements is INCORRECT?
A) The higher the GDP of a country, the more equal its income distribution.
B) The primary sector accounts for a larger share of GDP for LDCs than MDCs.
C) Workers in MDCs are more productive than those in LDCs.
D) The HDI is a function of economics, social, and demographic indicators.
E) PPP accounts for differences in cost among countries for the same basket of goods.
The species that are generally most vulnerable to human impact are the ________
A) decomposers B) producers C) competitive species D) top predators E) keystone species