Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Question: A statement is considered what if it is open to being falsified? Answer: hypothesis
At a given temperature, individual particles of a substance have a range of kinetic energies.

Question: What substance can be identified by their atomic number and mass number? Answer: elements
Elements can be identified by their atomic number and mass number.

Question: Zeros that appear in front of all of the nonzero digits are called what? Answer: left-end zeros
3. Zeros that appear in front of all of the nonzero digits are called left-end zeros. Left-end zeros are never significant. A. 0.008 has one significant figure.