What’s of evidence must be together to support the idea that all living things are composed of cells

living organisms are composed of cells.

Organelles cannot survive alone

cells multiply through division

Explanation:

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

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully