The Life of Billy the Star Billy has 1 stellar mass. What happens when Billy first starts to burn
off all of his fuel?
O Billy expands
O Billy contracts

Microorganisms aren’t all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?

How does friction with the atmosphere affect the speed of an artificial satellite

9. what area of study applies scientific findings to create ways for solving problems or improving life? a biogeology b mathematics c manufacturing d engineering