Which of the following is not an example of a scientific model?

a.

a diagram of a cell

b.

a data table

c.

a three-dimensional representation of an atom

d.

a graph showing the change in temperature and volume over time for hydrogen gas

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered