It would be primary since the writer himself is getting the information from a direct source.
Ik that u would do it from a ship, and i also know that they could send a diver down there or they could send the crane arm down there with a scoop from the ship and pull up some sand and use that as a sample
Answer:
Animals, Humans, Oil, Gases, And Coal all contain Carbon Dioxide in our atomosphere.
Explanation:
The answer for this question is false.