I’m not to sure what to do. Please help. It’s a study guide

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

Matches the chemical name of each oxide of phosphorus to its chemical formula

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.