I'd go with the third one because the products of both of them are oxygen and carbon dioxide.
Answer: experimentation and then conversion of experiments into theories
Observations lead to form hypothesis and then deduction which are proved statistically by experiments
Answer:
pretty sure its D!
Explanation:
Because Camouflage isn't related to comparative anatomy. If this is incorrect, sorry!
Making rough estimate of physical quantities is useful because it allow us to have an idea of how big or small a quantity is, it gives us the near result of the real quantity a matter contains. The approximate quantity obtained will give us information about the size of the quantity.
