Why do telescopes that detect non optical radiation useful

Bottle deposit programs are one way to encourage higher recycling rates. explain how they work

2/6 of be by to 2/6 is to 24/72 ?

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.