Minerals can be solids, liquids, or gases have a crystalline structure must be homogeneous and organic cannot be made from compounds.

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

During an investigation of an xss attack, the investigator comes across the term "[a-za-z0-9\%]+" in analyzed evidence details. what is the expression used for?

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim