Answer the following question given this paragraph: Constructive interference occurs when two waves combine to create a larger wave. This occurs when the peaks of two waves line up. Q: What is it called when two waves combine to create a larger wave? Choices: - Destructive Interference - consistent interference - wave propagation - constructive interference A:
constructive interference
(Question)
Answer the following question given this paragraph: Another measure of the effectiveness of a machine is its mechanical advantage. Mechanical advantage is the number of times a machine multiplies the input force. It can be calculated with the equation:. Q: Another measure of the effectiveness of a machine is its what? Choices: - aesthetic effect - cost benefit - chemical advantage - mechanical advantage A:
(Answer)
mechanical advantage
Ques: Answer the following question given this paragraph: Food is chemical energy stored in organic molecules. Q: Food is chemical energy stored in what? Choices: - typical molecules - oxygen molecules - DNA molecules - organic molecules A:
Ans: organic molecules
(Q).
Answer the following question given this paragraph: Bacterial contamination of foods can lead to digestive problems, an illness known as food poisoning . Raw eggs and undercooked meats commonly carry the bacteria that can cause food poisoning. Food poisoning can be prevented by cooking meat thoroughly, which kills most microbes, and washing surfaces that have been in contact with raw meat. Washing your hands before and after handling food also helps prevent contamination. Q: Bacterial contamination of foods can lead to digestive problems, an illness known as what? Choices: - acid reflux - headache - ulcers - food poisoning A:
(A).
food poisoning
Ques:Answer the following question given this paragraph: Q: Pathogens infect many animals and are agents of what? Choices: - drought - mutation - change - disease A:

Ans:disease
Ques:Answer the following question given this paragraph: Chemical digestion occurs when large food molecules are broken down into smaller nutrient molecules. This is a chemical process that begins in the mouth and stomach but occurs mainly in the small intestine. Q: Where does the majority of chemical digestion occur? Choices: - stomach - mouth - large intestine - small intestine A:

Ans:
small intestine