Question

In what type of rocks are coal deposits found?

igneous
sedimentary
metamorphic

Answer 1

@PRAETORIAN.10

Answer 2

i have researched each pretty thoroughly

Answer 3

and its weird, coal seems to be a metamorphic / sedimentary rock according to some sites

Answer 4

the first one i researched, igneous, seems most apt

Answer 5

if it is combustible coal then it is from sedimentary rocks and if it is harder form like anthracite coal then it is from metamorphic rocks

Answer 6

Oil shale deposits could extend our world oil supply, but extracting them has several negative environmental consequences.

True
False

Answer 7

@dan815 @Prototype93 @PRAETORIAN.10