Answer:
D) Density of air and humidity levels
Explanation:
“The test of any theory is whether or not it provides answers to basic questions. Some well-meaning but misguided people think evolution is a reasonable theory to explain man’s questions about the universe.”Where did the space for the universe come from? Witch can be experimented to answer.
Answer: phylum Echinodermata
this would be Prokaryotes because bacteria are single celled organisms
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