Help me with this asap please.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?