Random question?

A scientist observes an unusual activity while studying bacterial cells. Using scientific inquiry to investigate the activity will enable the scientist to

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Question generated: What tool is used to determine the mass of an object?

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

Answer: Which of these is the most common result of greenhouse gases altering the atmosphere of Earth?

question: Write a question you would see in a school textbook. OPTIONS:
- volume of water in the xylem
- flow of necessary nutrients
- response to environmental factors
- rate of photosynthesis in leaves
answer: When a tree suffers from a decreased ability to transport materials within the phloem, what is directly impacted?

An example of a grad-school level question?
Why does the leaf of a plant look green?

Random question?
A light bulb manufacturer claims its light bulb is "twice as bright" per unit of electrical energy consumed as the leading light bulb. If this claim is correct, what factor must be accurately compared between the two bulbs?