Rivers are very important in the United States economy because they transport goods for trade across the country. This also can transport people via ship, allowing those in the workforce to travel long distances for job opportunities. Rivers are great for agriculture because of the nearby water source and nutrients that the water may carry. They can fuel lumber mills and be used as a port for fishermen.
It's A because not wearing goggles could result in pieces of rock going into someone's eyes.
Question 1 answer is B
The suspended load is the fine-grained sentiment that remains in the water during transportation.
