Most fertilizers contain ammonia (NH3). Ammonla forms when hydrogen reacts with nitrogen. Which equation correctly represents the chemical reaction that forms ammonia?
A. 3H2 + N2 - NH3
B. H2 + N2 - 2NH3
C. H2 + N2 - NH3
D. 3H2 + N2 - 2NH3

In familial hypercholesterolemia individuals homozygous for the allele causing the disorder completely lack receptors on liver cells that take up cholesterol from the blood stream. heterozygous have one-half the number of receptors while individuals homozygous for the normal allele are phenotypically normal. this is an example of a. epistasis b. complete dominance c. incomplete dominance d. codominance

Why should the united state be concerned about air pollution in china?

What happens when a magniseum ion ia atracked to a chlrene ion