Why is the earth considered a magnet? What is a permanent magnet? describes an electromagnet

What is the most appropriate method of gaining weight (muscle mass)

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases