Suppose there are 500 units of energy available at the base of a pyramid of energy. How many units of that energy will the first-level consumers store? How many units will the second-level consumers store?

One of the methods used to reduce energy use is: a. energy efficiency c. energy conservation b. energy reservation d. energy holding select the best answer from the choices provided a b c d i know the answer is not option a

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

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