Answer:
the boy is in Kinetic energy
Explanation:
Because when he swings he isn't experiencing any forces towards him only the swing experiences potential energy
The picture below represents; A. Gas
Answer:
Enzyme Activity- Responsible reactions Enzyme catalyze nearby substrates
Cell to Cell Recognition- Recognize molecules on surface of the other cells
Cell Signalling- A chemical messenger that binds a membrane protein causing to change shape and relay the message inside a cell.
Transport materials- Provides channels for a certain solutes to pass through membrane
