Macromolecules are large organic molecules found in living things. Which of the following are considered macromolecules? Check all that apply.
a. Water
b. Carbohydrates
c. Proteins
d. Nucleic Acids

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

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?