What part of the water cycle requires direct input of solar energy?
A) precipitation
B) condensation
C) evaporation
D) infiltration
C
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Tropospheric ozone ________
A) binds with hemoglobin, preventing binding with oxygen in red blood cells B) is produced through the interaction of UV light with nitrogen oxides and carbon-containing compounds C) is a primary pollutant D) is caused by poor farming techniques E) protects Earth from most of the harmful UV radiation
Space debris that collides with Earth comes primarily from fragmented asteroids and secondarily from comets.
Answer the following statement true (T) or false (F)
A mT air mass is likely to be ________ than a cT air mass because the mT air mass ________
A) drier; is a cold air mass B) wetter; forms over the ocean C) drier; forms under the equatorial low D) wetter; is warmer than the cT air mass E) hotter; forms over the ocean
Judge the following sentence according to the criteria given below: Marine invertebrates such as worms, mussels, and octopuses have not had to evolve special mechanisms to maintain their body fluids at a proper concentrations BECAUSE tropical
organisms grow faster, have a shorter life expectancy. A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.