Maintaining genetic biodiversity of wild species of our crops that are related to domesticated species ensures our continued food supply. Antibiotics are derived from bacteria and fungi.
Many plants produce secondary plant compounds that are used as medicines.
Undisturbed wild areas are important for many human recreation activities.

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america