Equinoxes
What will be an ideal response?
occur when the sun is directly above the equator
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In order for a human population to be sustainable, its actual numbers must be ________
A) above its ecological footprint B) below its ecological footprint C) above the carrying capacity D) above its biocapacity E) below the carrying capacity
When the Sun is active (e.g. more sunspots and eruptions), the thermosphere increases in altitude
Indicate whether the statement is true or false
At Barrow, Alaska (latitude 70°N), you would expect the prevailing wind to be?
a. ?northerly. b. ?easterly. c. ?southerly. d. ?westerly. e. ?northeasterly.
Strong attachment threads, biological adhesives, a muscular foot, multiple legs, or hundreds of tube feet are adaptations to cope with which of the following adverse conditions of the rocky intertidal zone?
A) Difficulty finding mates B) Drying out during low tide C) Lack of space or attachment sites D) Predators E) Strong wave activity