Correct answer: Hypothesis; Theory
A hypothesis is a predictive statement that tells us the correlation between the two or more variables. It is a testable prediction about what we expect to occur in the study.
The scientific theory gives a good explanation of the natural world that is given based on the facts that are confirmed by the continuous observation and experiment
Hence, the correct answer would be ''Hypothesis; Theory''.
Answer:
In a chemical reaction the total mass of all the substances taking part in the reaction remains the same. Also, the number of atoms in a reaction remains the same. ... The law of conservation of mass states that the total mass of substances taking part in a chemical reaction is conserved during the reaction.
Explanation: