The decision of the us supreme court in plessy vs. ferguson

An atom of element a has 73 protons. what would the element's atomic number be?

For 50 points a crustacean is a. both a consumer and a predator b. both a predator and a prey animal c. both a producer and a predator d. prey only

Barbara is a 50-year-old accountant, wears conservative clothes, and plays bingo every tuesday night at the church social. it is not the case, therefore, that barbara likes heavy metal music. this argument is