Mountains provide for the freshwater needs of more than half of humanity, and are, in effect, the water towers of the world. The world's mountains encompass some of the most spectacular landscapes, a great diversity of species and habitat types, and distinctive human communities.
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Yes they are a virus that’s what you are looking for
How could you use biotechnology to protect a plant from insect damage? Insert genes that produce anti-insect chemicals into the plant. So B.