Oscar's family recently put solar panels on their roof to cut down on their use of electricity from the power company how will alternative energy sources affect earth's atmosphere? a. they will reduce the amount of energy we consume. b. they will increase levels of greenhouse gases in the atmosphere. c. they will reduce levels of greenhouse gases in the atmosphere. d. they will increase the use of fossil fuels for economic reasons. and this subject is for science

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?