Which of the following best summarizes the passage?
A Volcanic rocks and mountains are found in Santa Cruz.
B Chert has a heavy concentration of silicon and oxygen.
C Sand is tiny bits of worn-out rock made mostly of oxygen and silicon.
D A few common elements make most of the planet’s many compounds.
Important - Read this before proceeding
These instructions reflect a task our writers previously completed for another student. Should you require assistance with the same assignment, please submit your homework details to our writers’ platform. This will ensure you receive an original paper, you can submit as your own. For further guidance, visit our ‘How It Works’ page.