Which step of the scientific method do you perform after you state the problem?
O A. Collect data and observations.
B. Conduct an experiment.
C. Form a hypothesis.
D. Draw conclusions.

C

Explanation:

Because when you State your problem, you have to form a hypothesis, for example, you work at McDonald and people keep quitting because they aren't being treated right, so that will be your problem and the hypothesis will be McDonald hire a new manager and observe if people keep resigning

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

answer: the rock sample is a sedimentary rock.

explanation:

it is given that:

mass of rock sample, m = 2.7 g

volume of rock sample,

so, density of rock sample will be

since, the density of rock sample is . hence, the rock sample is a sedimentary rock, whose densities varies between .