Ques: Answer the following question given this paragraph: Wave amplitude of a transverse wave is the difference in height between a crest and the resting position. Wave amplitude of a longitudinal wave is the distance between particles of the medium where it is compressed by the wave. Q: Wave amplitude of a transverse wave is the difference in height between what and the resting position? Choices: - a valley - a cascade - a magnitude - a crest A:
Ans: a crest

Ques: Answer the following question given this paragraph: Mechanical digestion occurs when large chunks of food are broken down into smaller pieces. This is a physical process that happens mainly in the mouth and stomach. Q: What physical process occurs when large chunks of food are broken down into smaller pieces? Choices: - chemical digestion - swallowing - peristalsis - mechanical digestion A:
Ans: mechanical digestion

Ques: Answer the following question given this paragraph: Living in a large colony requires good communication. Ants communicate with chemicals called pheromones . For example, an ant deposits pheromones on the ground as it returns to the nest from a food source. It is marking the path so other ants can find the food. Honeybees communicate by doing a "waggle dance. ". Q: Living in a large colony requires good communication. ants communicate with chemicals called what? Choices: - alkalides - hormones - peptides - pheromones A:
Ans: pheromones

Ques: Answer the following question given this paragraph: Uncontrolled diabetes may damage capillaries of nephrons. As a result, the kidneys lose much of their ability to filter blood. This is called kidney failure . The only cure for kidney failure is a kidney transplant, but it can be treated with dialysis. Dialysis is a medical procedure in which blood is filtered through a machine (see Figure below ). Q: What is a popular treatment for kidney failure? Choices: - psychotherapy - metastasis - electrolysis - dialysis A:
Ans:
dialysis