Features of hominins, such as large brain size and bipedalism, developed in response to ____
a. improved ability to hunt
b. cooling climate
c. increased predation
d. warming climate
e. an expanding habitat
d
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What is a characteristic of an El Niño Southern Oscillation (ESNO)?
A) High pressure area shifts to the western Pacific B) Trade winds across the Pacific weaken or reverse directions C) Equatorial currents stop D) All of these choices
?The lion's mane, with a body up to 4 feet wide, tentacles as long as 50 feet, and weighing as much as 200 pounds, is the largest species of jellyfish.
Answer the following statement true (T) or false (F)
The Doppler radar uses the principle called Doppler ____ to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna.?
a. ?signal b. ?radiance c. ?acceleration d. ?speedometer e. ?shift
The hypoxia problem in the Gulf of Mexico is primarily caused by
A) local wind circulations along the coast. B) very low thermocline levels in the Gulf of Mexico. C) runoff of nutrient-rich fertilizers into the Mississippi River. D) El Niño events.