Calculate the specific gravity of a pure gold nugget (ρ = 19.3 g/cm3)

a)1.00
b)18.3
c)19.3
d)cannot be determined

How have the competing explanations' experiments on atoms affected the development of the atomic model?

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Which two particles are found in the center of an atom