Which of the following best describes a person doing science? a. dominick uses a computer to do his math homework. b. lindsay measures the sizes of the craters on the moon. c. isabel invents a new kind of doorknob. d. murray randomly predicts the result of a coin toss.

The correct answer is B. Lindsay measures the sizes of the craters on the Moon, is the best description of a person doing science.

Science is the practical and intellectual pursuit of the understanding of the physical and natural world that surrounds us. It involves a systematic study: observation,  experimentation, data analysis, discussion and conclusion. Science is the human effort to gather knowledge about the universe.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.