Question

这些单词要英英的解释！！！！

1 scientific theory
2 plate tectonics
3 divergent boundary
4 rift valley
5 convergent boundary
6 transform boundary

Answer 1

1.a theory that explains scientific observations; "scientific theories must be falsifiable"
2.the branch of geology studying the folding and faulting of the earth's crust
3.the line or plane being diverged from another or from a standard
4.a valley with steep sides; formed by a rift in the earth's crust
5. the line or plane tending to come together from different directions
6. the line or plane subjects to a mathematical transformation