can someone please help me with this chemistry problem. i'll give you a five star rating, a heart, and the brainliest answer! :D​

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.

Define the kinetic molecular theory

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures