Robin is swinging back and forth from a trapeze. In which of the following situations in his kinetic energy being transformed into potential energy?

When his height is increasing and his speed is decreasing

Explanation:

For study island

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

i think its white blood cells

i hope this