Which statement best describes why an island's food web could be considered a closed system?

Energy flows freely into and out of the island's food web.

Energy enters and exits the system, matter does not.

New energy enters the food web, and matter is created as it moves through the web.

No energy exists outside the food web, only matter.

Question

Which statement best describes why an island's food web could be considered a closed system?

Energy flows freely into and out of the island's food web.

Energy enters and exits the system, matter does not.

New energy enters the food web, and matter is created as it moves through the web.

No energy exists outside the food web, only matter.

anonymous · Answer

a) The bird has a potential energy of mgh with respect to the earth

lastdaywork · Answer