*Question*
Answer the following question given this paragraph: video and audio signals broadcast on electromagnetic waves. Q: Video and audio signals are broadcast on these? Choices: - mechanical waves - radiation waves - thermal waves - electromagnetic waves A:
**Answer**
electromagnetic waves

*Question*
Answer the following question given this paragraph: Density is an important physical property of matter. It reflects how closely packed the particles of matter are. Q: What physical property of matter reflects how closely packed the particles of matter are? Choices: - makeup - build up - mass - density A:
**Answer**
density

*Question*
Answer the following question given this paragraph: Starches are complex carbohydrates that are polymers of glucose. Starches are used by plants to store energy. Consumers get starches by eating plants. They break down the starches to sugar for energy. Q: What complex carbohydrates are the polymers of glucose? Choices: - sugars - fats - fruits - starches A:
**Answer**
starches

*Question*
Answer the following question given this paragraph: Many people get their freshwater from an aquifer. They obtain the water through a well. A well is a hole that is dug or drilled through the ground down to an aquifer. Q: What is hole that is dug or drilled through the ground down to an aquifer? Choices: - big hole - elevator - cave - well A:
**Answer**
well