90 points A geologist studying an ancient riverbed calculates that there are at least 2,000 microfossils in every liter of soil that he collects.
How many liters of soil should he collect if he wants to obtain 7,500 microfossils for his research study? Round your answer to the nearest tenth.
A. About 0.3 liters
B. About 2.7 liters
C. About 3.8 liters
D. About 37.5 liters