PLEASE ANSWER THIS ASAP ITS OVERDUE AND MY MOM WILL KILL ME it’s question to with the table

What is common about these molecules? a.their atoms are held together by covalent bonds. b.they are all made up of the same two atoms. c.their atoms are held together by ionic bonds. d.they are all made up of oxygen atoms only.

Compare and contrast physical changes with chemical changes.

Right anwser gets marked brainliest newton's discovery concerning how fast an object will change speed is the: 1st law 2nd law 3rd law universal gravitation