what is the answer to the question "Two boys of equal mass go up to the first floor of a building. Boy A takes the stairs, boy B takes the elevator. Which boy will have more potential energy when they reach the first floor"

s the environmental science is a broader field that incorporates many elements of earth and life sciences, whereas ecology is usually more focused on how organisms interact with each other and their surroundings, and often on a very specific population of living things. soo yea

explanation:

in this image, you can see solar radiation going through ocean water.

no image, but probably absorption

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

reserve is the answer