hello
explanation:
jujj
answer: collecting information/data
reason: the student is going around and asking people questions to collect data
i hope this
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
voluntary muscles are controlled by the cerebellum.