Which of the following phase changes is an exothermic change?

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?