First one right gets BRAINLIEST match the correct answer with the question. question 1 options:o2 to co2 element1.the smallest particle of basic matter 2.what is an example of a molecule with different types of atoms?3.what is an example of a molecule with the same type of atoms?4.this is a substance with only one type of atom.

What are the concentrations of hydroxide and hydronium ions in a solution with a ph of 10.2?

Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Which fact represents evidence for the big bang theory?