Identify if it’s a fact, theory, or law
1. The rock appears red, and has a mass of 10 grams.
2. If pesticide use continues at its present rate, then cancer will decrease by 20% within the next 5 years.
3. The best explanation of a variety of facts regarding cases of patient who are ill, is that microorganisms are causing the disease.
4. Matter can neither be created nor destroyed.