g What is a calorie? Select one: A. The amount of energy required to raise 1.0 gram of water 1.0 degree Fahrenheit B. The amount of energy required to raise 1.0 Kilogram of water 1.0 degree Celsius C. The amount of energy required to raise 1.0 gram of water 1.0 degree Celsius D. The amount of energy required to raise 1.0 ounce of water 1.0 degree Celsius

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

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?

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles