Input: Answer this question:
Sugar is composed of carbon, hydrogen, and oxygen. Sugar is an example of which of the following?
Answer: a compound
Input: Answer this question:
Which two processes could result in the formation of high mountains with well-rounded peaks?
Answer: collision of crustal plates and erosion
Input: Answer this question:
Many processes on Earth occur at or near tectonic plate boundaries. Which geological events are most common along tectonic plate boundaries?
Answer: earthquakes and volcanoes
Input: Answer this question:
Which is a chemical change?
Answer:
Element 3 turns a greenish color as it sits in air.