Problem:OPTIONS:
- seawalls
- domes
- outcroppings
- breakwaters

Answer the following question given this paragraph: Only a tiny fraction of the ocean floor has ever been studied. Why? Humans can't travel deep below the water's surface without special vehicles. The pressure of the water is too great. Total darkness and extreme cold make it even more difficult. That's why people have worked for decades to invent technology for studying the ocean floor. Q: What is the name of artificial barriers that people build to protect shorelines? A:
****
A: breakwaters

Answer the following question given this paragraph: Q: What regulates the passage of blood into capillary beds? A:
OPTIONS:
- bicellular sphincters
- diocesan sphincters
- cell membrane
- precapillary sphincters
precapillary sphincters

Answer the following question given this paragraph: Not only salt, but many other solutes can dissolve in water. In fact, so many solutes can dissolve in water that water has been called the universal solvent. Even rocks can dissolve in water, which explains the cave that opened this article. A solute that can dissolve in a given solvent, such as water, is said to be soluble in that solvent. Conversely, a solute that cannot dissolve in a given solvent is said to be insoluble in that solvent. Q: What liquid is referred to as the "universal solvent"? A:
OPTIONS:
- bromine
- gasoline
- blood
- water

Answer: water

Question: Answer the following question given this paragraph: The concentration of a solution is the amount of solute in a given amount of solution. A dilute solution has a low concentration of solute. A concentrated solution has a high concentration of solute. Q: What term describes the amount of solute in a given amount of solution? A:
OPTIONS:
- density
- temperature
- cloudiness
- concentration
Answer: concentration

input with options: Answer the following question given this paragraph: Acceleration is a measure of the change in velocity of a moving object. It shows how quickly velocity changes. Acceleration may reflect a change in speed, a change in direction, or both. Because acceleration includes both a size (speed) and direction, it is a vector. Q: What is the measure of change in velocity of a moving object? A:
OPTIONS:
- transmission
- vibration
- kinetic energy
- acceleration
output: acceleration

Problem: OPTIONS:
- vascular system
- excretory system
- digestive system
- respiratory system
Q: Answer the following question given this paragraph: We breathe because we need oxygen. Breathing also releases carbon dioxide from our bodies into the air. The respiratory system is the body system that brings air containing oxygen into the body and releases carbon dioxide into the atmosphere. Recall that oxygen is needed to make ATP. Q: Which system of the body is responsible for bringing air into the body? A:
Answer:
respiratory system