Which of the following examples describes an increase in potential energy? a: a bicycle going down a hill. b: a basketball falling through a net. c: a roller coaster moving down the track d: a paint can being carried up a ladder

The punnett square is the device used to predict genetics.

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11

Because some people pollute water ans waste it