20 POINTS DUE IN 10 MIN

Explain an El Niño event that affected weather, food production, water supply, or human health.

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

What is most often given a value of zero to describe an object’s position on a straight line? displacement reference point distance ending location