A doctor examines a patient's sore throat and suggests that the patient has strep throat. She takes a sample to test for the bacteria that causes strep throat. What parts of the scientific method is the doctor applying?

Tidal energy is generated from the

How is the formation of an ionic bond different from the formation of a covalent bond?

Which of the following would be considered a solution? A. salt in the sugar bowl B. sugar added to water C. oil added to water D. any fat-soluble substance mixed with any water-soluble substance

What is the heat of reaction when hydrogen and oxygen combine to form water

What happens when water turns into water vapor? a) Water turns into water vapor when it loses energy and moves from the gas to the liquid phase.

How do the rates of the forward and reverse reactions change throughout a reaction?

An unknown solution turned red litmus paper red, turned blue litmus paper blue, and didn't conduct electricity. The solution is most likely ... a Basic b Acidic c Neutral d Not enough information to determine

Which of the following does NOT occur at a subduction zone? A. The leading edges of both plates are bent downward. B. Oceanic crust is pushed down into the mantle. C. One oceanic plate moves into another oceanic plate. D.

4. What structural characteristics do all hydrogen atoms have in common?

Which of the following would be a result of increased solar activity? A. Longer winters B. Warmer-than-normal sea surface temperatures C. Colder-than-normal sea surface temperatures D. Shorter summers