Random question?

Which of the following represents a chemical reaction?

Generate a question

Question generated: A student uses a telescope to view stars at night. The student notices some of the stars are different colors. The color of a star is determined most by its

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

Answer: An Earth year is the length of time it takes for

question: Write a question you would see in a school textbook. OPTIONS:
- report to the teacher
- clean the laboratory station
- locate the nearest exit
- put on safety goggles
answer: What is the first thing a student should do if an accident happens during a science experiment?

An example of a grad-school level question?
The yellow-throated longclaw is a bird that lives on the dry savanna of Africa. It looks almost exactly like another bird, the western meadowlark of North America. Although the birds look very similar, they are not even in the same taxonomic family. Scientists think the birds look alike because the two species developed under similar environmental pressures, even though they developed thousands of miles apart. Which process does their development demonstrate?

Random question?
Studies of snail fossils in Egypt indicate that areas of Egypt that are now desert were once thriving savannahs approximately 130,000 years ago. What does the presence of these fossils indicate about the area of Egypt that was thriving 130,000 years ago?