An ecosystem is classified into a biotic and abiotc factors.
An ecosystem refers to a community of living organisms where they that live and interact with each other.
In conclusion, an ecosystem is classified into a biotic and abiotc factors
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Answer:
See below
Explanation:
From Nasa:
"Understanding the planets and small bodies that inhabit our solar system help scientists answer questions about its formation, how it reached its current diverse state, how life evolved on Earth and possibly elsewhere in the solar system, and what characteristics of the solar system lead to the origins of life."
The answer is D: sovereignty
Free trade negotiations between the United States and the five Central American countries began in 2002
