Answer:
Extra carbon dioxide in the atmosphere increases the greenhouse effect. More thermal energy is trapped by the atmosphere, causing the planet to become warmer than it would be naturally Explanation: yeah
Answer:
Results are validated when other scientists performs the same experiment and conclude with the same result.
Explanation:
Experimental evidence gives confirmation especially in science.Scientists starts an experiment by following some protocols such as observation,hypothesis,collection of data literature review,methodology,Experiments (trial and tests) finally results and discussion.Results are validated as experimental evidence. Eventually come to a conclusion.
I think atleast one is Oxygen because it needs air to digest
A and d
the DNA is semi conservative
and the DNA pol always synthesize from 5’ to 3’