subject
Biology, 04.05.2021 23:30 hargunk329

Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point) No, coal is not a mineral because coal can be burned to produce electricity and heat.

No, coal is not a mineral because coal is made of dead plants.

Yes, coal is a mineral because all rocks are nonliving solid minerals.

Yes, coal is a mineral because all rocks that are useful to people are minerals.

ansver
Answers: 2

Another question on Biology

question
Biology, 22.06.2019 00:00
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
Answers: 1
question
Biology, 22.06.2019 11:00
What factors contribute to the effect an environmental toxin has on the human body?
Answers: 3
question
Biology, 22.06.2019 12:10
Which is the most likely reason the writer of the play pygmalion chose to change the character of galatea from a statue to working-class woman?
Answers: 1
question
Biology, 22.06.2019 16:00
Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds
Answers: 1
You know the right answer?
Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a...
Questions
question
Mathematics, 22.07.2019 04:30
question
English, 22.07.2019 04:30
question
English, 22.07.2019 04:30
Questions on the website: 13722367