Answer: C
Explanation:
speciation results iIn more species, therefore a greater biodiversity
Explanation:
Why (for what reasons) is it believed that oxygen was not present when life formed on Earth? The life forms were anaerobic, and did not make oxygen. There is a lack of oxidized iron in rocks that are a few billion years old. Eventually oxygen from the oceans moved into the atmosphere, and iron could be oxidized.
Answer:
The dependent variable changes in response to the independent variable.
Explanation:
Think of it like cause (independant) and effect (dependant).
I would say A or B. But I am leaning more towards B. Hope I helped! Sorry if I didn't. :)
