Jacob was reading a book about fossils. he read that fish fossils are sometimes found at the top of high mountains. what can jacob infer about the mountains? a) they are now underwater. b) they were once underwater. c) they moved across the land. d) fish used to live on mountains.

the contamination

we are putting to many trash.

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.

potentially fatal issues such as heart attacks and strokes

explanation: