Question: Answer the following question given this paragraph: The sense of taste is controlled by sensory neurons on the tongue. They are grouped in bundles called taste buds. You can see taste buds on the tongue in Figure below . Taste neurons sense chemicals in food. They can detect five different tastes: sweet, salty, sour, bitter, and umami, which is a meaty taste. When taste neurons sense chemicals, they send messages to the brain about them. The brain then decides what you are tasting. Q: Where are the taste buds located in humans? Choices: - lips - mouth - teeth - tongue A:
Answer: tongue

Question: Answer the following question given this paragraph: Sodium and chloride ions have equal but opposite charges. Opposites attract, so sodium and chloride ions attract each other. They cling together in a strong ionic bond. You can see this in row 2 of Figure above . Brackets separate the ions in the diagram to show that the ions in the compound do not share electrons. You can see animations of sodium chloride forming at these URLs:. Q: Why do sodium and chloride ions attract each other? Choices: - sulfides attract - magnetism - like attracts like - opposites attract A:
Answer: opposites attract

Question: Answer the following question given this paragraph: The charge on a single electron is and is known as the elementary charge. Q: What is the charge on a single electron known as? Choices: - basic charge - electron charge - fundamental charge - elementary charge A:
Answer:
elementary charge