Which statement best describes the atmosphere of Venus?
a. Similar to Earth, it contains mostly nitrogen and oxygen
b. Venus' atmosphere is high in carbon dioxide and considered a runaway greenhouse.
c. Venus has a negligible atmosphere.
d. Similar to Uranus, it contains mostly methane.
e. Similar to Mercury, it has a thin atmosphere high in carbon dioxide.
b
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A soil composed of flattened soil particles will most likely have a
A) high porosity. B) low porosity. C) high permeability. D) low hydraulic conductivity.
Force on a Wire: What is the force per meter on a straight wire carrying 5.0 A when it is placed in a magnetic field of 0.020 T so that the wire makes an angle of 27° with respect to the magnetic field lines.
A. 0.022 N/m B. 0.045 N/m C. 0.17 N/m D. 0.26 N/m
A total shadow is called
A) an umbra, and a partial shadow a penumbra. B) a penumbra, and a partial shadow an umbra. C) neither of these
When an object is in translational equilibrium, the net force acting on the object is non-zero
Indicate whether the statement is true or false