When an object turns around it’s internal axis (the earth turns on its axis) its a rotation. When an object turns around an external object (earth going around the sun) is a revolution.
Im not sure but if you think of it, the one that you didn't put any salt is a independent variable because it doesn't really rely on anything it doesn't have salt. The Dependent variable would be the 2nd and the 3rd cup because it doesn't have much salt but the 4th cup has lots of salt so its basically controlled. Hope it helps !
One is that Fungi are vitally important for the good growth of most plants, including crops, through the development of mycorrhizal associations .
Another one is that Penicillin, perhaps the most famous of all antibiotic drugs, is derived from a common fungus called Penicillium.
Btw Your Welcome
Tropical rain forest biome :)
