What are the two main ways that minerals are classifieda. chemical makeup and how they can be usedb. chemical makeup and crystal lattice structurec. how they can be used and how rare they ared. how they can be used and the country they are found in

Which of the following would be an important part of a multi-step plan to restore the stability of the red-cockaded woodpecker's ecosystem?

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

20 the compound al(nh3)2 has atoms of nitrogen.