The theory of plate tectonics states that the earth's crust is composed of many plates that move gradually across the earth's surface.   select the best answer from the choices provided. true or false

What is meant by the last line of the text? how did the maginot line serve as an example of this saying?

Use the timeline to answer the question: image of a timeline with two entries. the first entry is labeled 2000 bce and the second is labeled 2000 ce. © 2012 flvs where on the timeline would an event go that happened in 2009? to the left of 2000 bce halfway between 2000 bce and 2000 ce to the right of 2000 ce three quarters of the distance between 2000 bce and 2000 ce

Which statements are true about point and nonpoint source pollution? human activity causes point and nonpoint source pollution. only nonpoint source pollution affects abiotic factors in a watershed. point source pollution affects only the part of the lake or river near it. both point and nonpoint source pollution affect biotic factors in a watershed. point pollution flows through the bodies of water in a watershed but not through its land.