In which section of a nuclear reactor does nuclear fission occur?
a.
reactor vessel
b.
heat exchanger
c.
condenser
d.
cooling tower

You throw a baseball directly upward at time t = 0 at an initial speed of 12.3 m/s. what is the maximum height the ball reaches above where it leaves your hand? at what times does the ball pass through half the maximum height? ignore air resistance and take g = 9.80 m/s2.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.