Answer:
The correct answer is primary consumers
Answer:
D
Explanation:
The different species benefit from each other and reflect positive signs.
Hope the answer is correct!
Answer:
Global warming is the mainly human-caused rise of the average temperature of the Earth's climate system and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming.
They believed this because the continents appear to have once been fitted together and it was called pangaea