How are the orbits of extrasolar planets different from the orbits of planets in our solar system?
A) Many extrasolar planets orbit their stars backward.
B) Many extrasolar planets are on very tilted orbits compared to what we'd expect.
C) Many extrasolar planets do not travel on elliptical orbits.
D) Many extrasolar planets travel on very eccentric orbits.
D
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The Miller experiment is important because:
A) it shows that complex organic molecules form naturally in a wide variety of circumstances. B) it shows that complex organic molecules need optimum conditions for their formation. C) it shows that lightning, sunlight, and hot lava pouring into the oceans can tremendously hinder the formation of complex molecules. D) it shows that complex organic molecules can become extremely unstable in the presence of ultraviolet radiation.
In the color wheel shown below, which colors are the cool colors?
A. red, yellow, blue B. orange, green, purple C. green, blue, purple D. yellow, orange, red
The speed of sound depends on
A) its frequency. B) its amplitude. C) the medium in which it travels. D) all of the above E) none of the above
A 2.00-qt bottle of soda is on sale for $1.29. What should be the price of a 2.00-L bottle of the same soda to yield the same value? (1.00 qt = 0.947 L)
What will be an ideal response?