One acid-base theory states that an acid is
(1) an electron donor (3) an h+ donor
(2) a neutron donor (4) an oh– donor

What’s a special glass that most beakers are made of

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.

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction