Respuesta :
Answer: Variables
Explanation: Variables are used during an experiment and must be controlled so that researchers can draw a logical conclusion. The independent variable is the one that is changing and the dependent variable is the one being measured.
The study of chemicals and bonds is called chemistry. There are two types of elements and these are metals and nonmetals.
The correct answer is option C which is variables.
What is an experiment?
- A scientific procedure is undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
According to the question, Variables are used during an experiment and must be controlled so that researchers can draw a logical conclusion. The independent variable is the one that is changing and the dependent variable is the one being measured.
Hence, the correct answer is option C.
For more information about the experiment, refer to the link:-
https://brainly.com/question/14688752
