Random question?

A family installs a new heating system in their home. Which is the most desirable result of the new heating system?

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Question generated: What is the main function of a plant stem?

Problem: Write a question you would see in a school textbook.

Answer: A meeting of scientists, called a symposium, occurs every year to share recent research about the atmosphere of Earth. This symposium mainly serves which purpose in science?

question: Write a question you would see in a school textbook. OPTIONS:
- runoff and evaporation
- transpiration and precipitation
- precipitation and runoff
- transpiration and evaporation
answer: During an ice age, enormous ice sheets called glaciers increase in size on Earth's surface, resulting in decreased ocean depths. Due to global cooling, the water cycle is disrupted between which two stages to cause an increase in glacier size?

An example of a grad-school level question?
Several interchangeable parts are used in the manufacture of automobiles. Some examples of these parts are batteries, windshield wiper blades, spark plugs, and tires. Which of the following is an advantage of interchangeable parts over non-interchangeable parts on automobiles?

Random question?
Feathers, wings, and the hollow bones of birds are examples of