Why should you wash your hands after touching animals? to avoid getting an illness from a livestock animal
to keep bacteria from entering open hand wounds
to prevent you from becoming sick with smallpox
to protect your pet from contracting your illness

(a) to avoid getting an illness from a livestock animal.

(b) to keep bacteria from entering open hand wounds.

(c) to prevent you from becoming sick with smallpox.

(d) to protect your pet from contracting your illness.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: