<span>the percent of patients with whooping cough die is </span>D. 1%
Acceleration is a little more complicated. It is defined as the rate of change of the object's velocity over its change in time. ... Or, if the acceleration is negative, it's called deceleration and describes something slowing down. For something to speed up or slow down, it has to have a certain change in velocity
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<em>The name for a complex group of organisms is system Hope this helps!</em>
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A blood sample is taken. I hope this helps! :)