The use of more advanced tools made of stone, wood, and bone, such as the ones illustrated below, was typical of which period of human history?
a. paleolithic era
b. neolithic era
c. bronze age
d. iron age

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Plz mark brainliest 30 points 1) 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?

How do dying stars contribute to the formation of planets