Answer: With the development of powerful microscopes, scientists discovered many single-celled organisms that didn't fit into any of Linnaeus' kingdoms. As a result, a new taxon, called the domain, was added to the classification system.
Explanation:
Soil?
The atmosphere?
Air?
I don't understand how you want this question answered
The answer is four hope this helps
Answer:
C. how close earth is to the sun
