Biology, 28.01.2020 06:31 texas101st78
Coal is made from the remains of dead plants. it is made of carbon and other elements. is coal a mineral?
a yes, because it is formed naturally.
b yes, because it contains carbon.
c no, because it is created artificially.
d no, because it is an organic substance.
Answers: 1
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The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .
Answers: 1
Coal is made from the remains of dead plants. it is made of carbon and other elements. is coal a min...
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