____ is known to be a dwarf planet.
A)Neptune
B)Pluto
C)Uranus
D)Mars
E)Titan
Question 2
What is a characteristic of the greenhouse effect?
A)Short wavelength radiation from the sun is reflected back into space.
B)Most of Earth's radiant energy escapes into space.
C)Industrialization plays an exclusive role in the process.
D)Gases trap heat reflected back from Earth's surface.
E)Transpiration significantly increases levels of greenhouse gases.