Which organism, developing approximately 4.2 million years ago, represents the link between humans and apes?

A) Homo habilis
B) Homo erectus
C) Homo sapiens
D) Australopithecus


Answer: D

Environmental & Atmospheric Sciences

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Any animal that eats tender shoots, twigs, and leaves:a

grazer d. carnivore b. autotroph e. carnivore-scavenger c. browser

Environmental & Atmospheric Sciences

the dew point is the temperature at which ________

water in the liquid state changes to vapor hailstones are formed water vapor condenses to a liquid cumulus clouds change to cumulonimbus clouds

Environmental & Atmospheric Sciences

Even though more hurricanes form, on average, over the Eastern Pacific than over the tropical North Atlantic, we generally hear less about them. Why do you think this is so?

What will be the ideal response?

Environmental & Atmospheric Sciences

This plot shows the highest flow event that occurred each year on the Yellowstone River between 1924 and the 1990s. What is the maximum size of flood that probably can occur here?



A) Up to 8,000 cubic meters per second
B) More than 8,000 cubic meters per second and less than 9,000 cubic meters per second
C) Anything less than 9,000 cubic meters per second
D) More than 9,000 cubic meters per second is possible

Environmental & Atmospheric Sciences