When you jump from an elevated position, you usually bend your knees upon reaching the ground. By doing this, the time of the impact is about ten times more than for a stiff-legged landing
In this way, the average force your body experiences is reduced by A) less than ten times.
B) more than ten times.
C) about ten times.
C
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Temperature is usually measured 20 meters above the ground in a sealed container
Indicate whether the statement is true or false.
Closely spaced isobars on a map indicate a strong pressure gradient
a. True b. False Indicate whether the statement is true or false
Why is the Santa Ana wind a danger signal in southern California?
A) It is a cold, dry winter wind that brings danger of hypothermia to people like the homeless living on the streets. B) It is a warm, humid wind from Mexico that signals El Niño conditions and high potential for flooding. C) It drives people crazy with the howling winds, so crime goes up. D) It is a warm, dry wind that can quickly dry out brushlands and spread fires.
What is the difference between source rocks and reservoir rocks?
A. Reservoir rocks are where oil forms and source rocks are where oil accumulates. B. Reservoir rocks are sedimentary and source rocks are igneous. C. Source rocks are sedimentary and reservoir rocks are igneous. D. Source rocks are where oil forms and reservoir rocks are where oil accumulates.