Aspecific example of how light year is used in space exploration. pick one object in space (the nearest star, the nearest galaxy, the edge of the universe, etc.) and tell how far this object is from earth and how long it would take light to travel there.

Match the description of each organism to the appropriate category

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.