Answer:
Natural Selection is an evolutionary process that caused the increment of dark-coloured Biston betularia moths in England. It happened due to increase of air pollution in the industries. The bark of the trees became darker because of the deposition of pollutants.
In order to save itself from predators, the species of Biston betularia evolved itself to a dark coloured species so that the predators gets confused between the bark of the tree and the Biston betularia.
<span>In the phylum anthophyta, seeds develop within the ovary, which matures and ripens into a fruit.
Anthophyta are flowering plants, resembling flowers, and as you already know, regular flowers have ovaries used for seeds, and when a plant grows, it can bear a fruit.
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The mutation is a change in just one nucleotide in the gene for hemogloblin.
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Well, I think the answer would be, Both biomass and coal energies are inexpensive, but they release greenhouse gases.</span>
C) The core contains equal amounts of hydrogen and helium