The answer to this question is false, though oral tobacco is a contributing factor.
Answer:
Theory can be formed.
Explanation:
Theory may be defined as the explanation of the natural world that can be tested by the scientific methods. Theories can be tested under the controlled experiments.
The scientific experiment has tested a drug and used in one group that getting the drug and other group that getting sugar pill. The group getting drug shows better result than other group, this can be formulated as theory.
