Altruism means being completely selfless and yet eanting nothing in return true/ false

Which is not a step in the rock cycle?

Current 1 of 8.4 a runs for 240 seconds and then stops. current 2 is 10.5 a. how long does current 2 have to un to deliver the same amount of charge as current 1? 88.28 192 s 2016 s 21,000 s

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.