Explain how plate tectonics have changed earth’s surface over time. include the role of plate tectonics in the creation of landforms.

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life