GIVEN BRAINLIEST

A descriptive investigation gets its name from the fact that you are describing .
A. your observations in writing
B. your results in a conclusion
C. a procedure for the experiment
D. what other experiments have been done

A. your observations in writing

Explanation:

Descriptive investigation is one of the mode of inquiries in science. It is devoid of the usual collection of data in the field or setting up laboratory experiments to compared variables.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.