Which of the following statements is true?
A.
Fossils are frequently found in metamorphic rock.

B.
Sedimentary rocks are formed as a direct result of chemical weathering.

C.
Igneous rocks form from the cooling and crystallization of magma.

D.
Extrusive igneous rocks, found in the Earth's lithosphere, are not subject to weathering.

answer: (431,2)

step-by-step explanation:

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)