Juan and richie spread out some clay on their lab bench. this was to model the earth; soil and rocks. they placed a large ice cube on the clay to model a glacier and they waited for the ice to melt. when the ice turned to water, they mopped it up and there was a depression left in the clay. the boys had modeled a glacier the earth.

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

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?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)