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.

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

How does a gymnosperm prevent itself from pollinating the same tree

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data. % babies born at different weights % babies born in that category 6.0 6.5 in 50-555 70-75 80-8511 100-1055 which statement is a valid claim that could be made using the data in the graph? directional selection is occurring because the graph favors an extreme. mark this and retum save and exit next submit o type here to search