The first cells on earth were cells. Some members of this group, specifically some , are well known for their ability to cause diseases like anthrax, tetanus, and gonorrhea.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.

what are the awnser choices? i mean, without choices, it is an incompleat