Hich of the following is not a step used to perform a scientific inquiry?
a. determining manipulated and responding variables
c. developing a hypothesis
b. designing an uncontrolled experiment
d. drawing conclusions

b. designing an uncontrolled experiment

Explanation:

A scientific inquiry is aims in determining the cause of a natural phenomena by utilizing suitable scientific methodology. A typical scientific inquiry involves framing a relevant question, formation of hypothesis, designing an experiment using control, independent and dependent variables, collection of data, deducing a conclusion and result of the experimental study.

On the basis of the above information this can be said that b. designing an uncontrolled experiment is the correct option as the experiment is done under control conditions by maintaining standards of an experimental setup.

the answer would be c

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 .