Question 2 of 10 What type of system allows matter and energy to enter and exit? O A. Connected OB. Open O C. Closed O D. Isolated

Excuse ! extra points plus ! super desperate ! the position of an object does not move relative to a reference point. relative to the reference point the object _. a.) is not moving. b.) is moving.

Explain why you think this diagram shows what happened to the carbon in the biodome.

Frequency of electromagnetic waves that a radio station is assigned is called