Which agent of erosion creates beaches ?

What did hunter gathers do to alter the environment?

Select the correct answer from each drop-down menu proteins are

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?