____ shows that the building blocks of life form naturally under a wide range of circumstances
a. The Miller experiment
b. The Chicxulub event
c. The earliest fossils
d. The Drake equation
e. Stromatolites
A
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An auto accelerates from 7.0 m/s at 0.71 m/s2. It travels a distance of 1.033 km while accelerating
(a) What is the final speed at the end of that displacement? (b) How many seconds did it take to accelerate from 7.0 m/s?
In order for two objects to have the same temperature, they must
a. be in thermal equilibrium. b. be in thermal contact with each other. c. have the same relative "hotness" or "coldness" when touched. d. have all of the properties listed above. e. have only properties (b) and (c) above.
The body of a swimmer occupies a volume of 2 cubic feet. What is the buoyant force when the swimmer is immersed in water? (The weight density of water is 62.4 pounds per cubic foot.)
Which of the following best describes the image of a convex mirror when the object's distance from the mirror is less than the absolute value of the focal point distance?
a. virtual, upright and magnification greater than one b. real, inverted and magnification less than one c. virtual, upright and magnification less than one d. real, inverted and magnification greater than one