If a projectile is fired straight up at a speed of 10 m/s, the total time to return to its starting position is about
A) 1 s.
B) 2 s.
C) 10 s.
D) 20 s.
E) not enough information given
B
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Which zone of the ocean may have some fish and crustaceans that are blind or have their own light sources?
A. oligotrophic. B. continental. C. bathyal. D. euphotic. E. abyssal.
Which of the following is NOT true regarding feminism in Europe?
A. Machismo culture in Southern Europe challenges feminist ideals. B. Scandinavian young men are threatened by feminist laws. C. The "baby boom" generation embraced progressive social laws. D. Feminist movements became associated Vietnam War protests.
Which of the following is the primary source of energy for the Earth's atmosphere?
A. latent heat released during the formation of hurricanes B. the sun C. erupting volcanoes D. energy from within the Earth
Which of the following is FALSE regarding the Mediterranean climate?
A) Seventy percent of the precipitation occurs in the winter months. B) Summers are influenced by shifting subtropical high cells. C) Summers are hot. D) The bulk of precipitation occurs in the summer months.