Iwill mark brainliest look at the diagram below. what statement is correct?

box a is a compound and box b is an element.

box a is an element and box b is a compound.

box a is an element and box b is a mixture.

box and a and box b are both mixtures.

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

answer: you could do some invislibe ink.

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