Jenny installed a new windshield wiper on the back window of her car. The wiper rotates through a 120° angle as its rubber blade cleans the windshield. The wiper blade begins cleaning at a distance of 4 inches from the point of rotation. The wiper blade is 16 inches long as shown in the sketch below. Jenny installed a new windshield wiper on the back window of her car. The wiper rotates through a 120° angle as its rubber blade cleans the windshield. The wiper blade begins cleaning at a distance of 4 inches from the point of rotation. The wiper blade is 16 inches long as shown in the sketch below. What is the area cleaned by the wiper blade? Give your answer in terms of π . The area cleaned by the wiper blade is square inches.

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step-by-step explanation:

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.  

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of