(20 points) me out with this assignment (7th grade, science, tectonic plates 20 points) (you dont have to do it all but i would really appreciate people telling the answers)
1. seafloor spreading occurs at which of the following plate boundaries?
a. transform fault
b. convergent collision
c. convergent subduction
d. divergent

2. convection currents in earth's mantle
a. transfer heat from earth's interior to its surface
b. transfer heat from earth's surface to its interior
c. cause radioactive decay to occur in the mantle
d. are caused by plate movement

3. earth's outer layers are broken into pieces called
a. plate tectonics
b. mid-ocean ridges
c. lithospheric plates
d. slabs

4. as the temperature of a region of the mantle increases, it
a. becomes less dense
b. becomes more radioactive
c. becomes more dense
d. sinks

5. what was wegener's continental drift hypothesis rejected when he first proposed it?
a. he had made mistakes in dating his rocks and fossils
b. wegener's evidence was better explained by the seafloor spreading hypothesis
c. no forces were known at that time that could cause continents to move.
d. his fossils evidence was incomplete.

6. which was not evidence presented by alfred wegener to support his hypothesis of continental drift?
a. the distribution of certain fossils
b. the geographic fit of the continents
c. locations of mountain ranges and rock types
d. reversals of earth's magnetic polarity

7. the hypothesis that continents have slowly move to their current locations is called what?
8. a series of processes known as the slowly changes rocks from one kind to another kind
9. the lithosphere is broken into sections called which float on top of the asthenosphere.