F is the symbol for fluorine which is a single atom. A molecule is two or more atoms together, which makes F not a molecule.
D. think of it like a current!
electron -> electron-> electron->
Answer:
Crop rotation is the method of growing a series of different types of crops in the same area across a sequence of growing seasons (China does this). It reduces dependence on just one type of nutrients, it also helps control pests and weeds by the plants developing a resistance all at once.
Zero degrees latitude is the line designating the Equator and divides the Earth into two equal hemispheres (north and south).
