Estimate how many raindrops fall on a 1 acre plot during 1-in rainfall​

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

The air that we breath is made mostly of which gaseous molecule

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?