Question

question 9 (3 points)
which best describes sedimentary rocks?
form when the weathered products of other rocks accumulate at the surface and
are then buried by other sediments
form from previous rocks being heated and squeezed to the point where some of
their minerals are unstable and new minerals form
cooled slowly underground or cooled quickly at the surface
none of these are true about sedimentary rocks
question 10 (3 points)
the phanerozoic represents the longest period of geologic time.
true
false

Explanation:

For Question 9: Sedimentary rocks form from weathered rock particles that accumulate and are buried. The second option describes metamorphic rocks, the third describes igneous rocks.
For Question 10: The Precambrian is the longest period of geologic time, making the statement false.

Answer:

Question 9: form when the weathered products of other rocks accumulate at the surface and are then buried by other sediments
Question 10: False