Answer;-The above statement is true.
A scientific theory must be supported with empirical evidence.
Explanation;-A scientific theory is a specific type of theory used in the scientific method.-Every scientific theory starts as a hypothesis. A scientific hypothesis is a suggested solution for an unexplained occurrence that doesn't fit into a currently accepted scientific theory. -A hypothesis is an idea that hasn't been proven yet. If enough evidence accumulates to support a hypothesis, it moves to the next step; known as a theory, in the scientific method and becomes accepted as a valid explanation of a phenomenon.
Answer:
physical
Explanation:
please mark my answer as a brainliest answer and please follow me
Tar, carbon monoxide, nitrogen oxides, theyre harmful because they cling to the red cells in the blood and up to 15% of a smoker's blood may be carrying carbon monoxide round the body rather than oxygen.Smoking 'lower tar' cigarettes can increase the carbon monoxide levels as smokers inhale more deeply.Cigarette smoke has high levels of nitrogen oxide.
Hope that helps
