Answer:
when enough information is given to support a hypothesis (more info below)
Explanation:
If enough evidence accumulates to support a hypothesis, it moves to the next step known as a theory in the scientific method and is accepted as a valid explanation of a phenomenon. Tanner also explained that scientific theory is the framework for observations and facts.
hope I helped!
Answer:
hair is a physical change.
Cooking is a physical and chemical change.
Ice cream melting in the sun is a physical change.
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I dont know anything about this since i am not in college or high school i am in Middle school but I hope I will learn it
Answer:
Cr 6+ & SO4 2-
Explanation:
Sulfate is a polyatomic ion that has a charge of 2-. There are three of them in the chemical formula so it equates to a 6- total charge. Thus, chromium must have a 6+ charge to give the compound a neutral charge.
Answer:
theory
Explanation:
Fits all criteria
- Hope that helps! Please let me know if you need further explanation.
