Random question?

In the lab, students are working with substances that could cause burns. Which of these safety precautions is most important to follow?

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Question generated: A dragonfly develops through incomplete metamorphosis. Which stages does the dragonfly's life cycle include?

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

Answer: If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live?

question: Write a question you would see in a school textbook. OPTIONS:
- decrease the distance between the books
- decrease the mass of the books
- decrease the mass of the table
- decrease the temperature in the room
answer: Two identical books are on opposite ends of a table. Which of these would increase the gravitational force exerted between the two books?

An example of a grad-school level question?
Which characteristic is not an inherited trait?

Random question?
In a container, a mixture of water and salt is stirred so that the salt dissolves completely. Sand is added to this solution and allowed to settle to the bottom of the container. If the container is placed on a heat source and the liquid evaporates completely, what will be left in the container?