Indicate whether each of the following statements about Joseph Priestley’s experiment is an observation or an inference. The candle stayed lit longer because the plant gave off oxygen.
The candle went out when it was placed in a closed jar.
The candle stayed lit longer in closed jar when a plant was present.

Afamily is one another name for a group on the table of elements.

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?

What is the lowest number energy level where a d sublevel is found