Answer:
From what I remember in my 9th grade biology class, it's usually half that amount.
Answer:
The answer is double replacement :)
A testable hypothesis must be just that--testable. You must be able to provide evidence that your hypothesis can be proven true in order for it to be considered accurate enough for future use among scientists. This can be done through repeated experimentation.
B. atmosphere since the atmosphere is made up of o2, co2 (a greenhouse gas) and nitrogen. those are the primary elements
Answer:
None of the above
Explanation:
Diversifying is the right kind of selection
