If they did not communicate then there wouldn't be a logical explanation for the experiment ..
type answers below ..
Answer:
early all of the hydrogen consumed in the United States is used by industry for refining petroleum, treating metals, producing fertilizer, and processing foods. U.S. petroleum refineries use hydrogen to lower the sulfur content of fuels.
Explanation:
Answer:
prophase is the first phase
Explanation:
PMAT
PROPHASE
METAPHASE
ANAPHASE
TELOPHASE
Thought and action are the two main functions
I think the answer to this is E