What is the current theory for the formation of our solar system?
A. The Sun and planets condensed from a cloud of gas and dust.
B. The four outer planets were all captured from another solar system.
C. The Sun exploded during the Big Bang.
D. None of these choices are correct.
Answer: A
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As energy disperses in a system it ultimately becomes
A. kinetic energy of its particles. B. thermal energy. C. potential energy. D. none of the above
Space debris that collides with Earth comes primarily from fragmented asteroids and secondarily from comets.
Answer the following statement true (T) or false (F)
Ethnocentrism is the term given to the act of
A) thinking your nation should dominate other nations. B) one culture claiming political rights over other groups. C) equating spatial identity with cultural identity. D) judging other cultures by the standards and practices of one's own culture.
Which of the following solutions can function as a buffer?
A) a solution containing HCl and NaCl B) a solution containing NaOH and NaCl C) a solution containing H2SO4 and NaHSO4 D) none of the above