This is not a valid question. Please ask a question to receive an answer.
If multiple researches obtained the same result, it means that the test is highly repeatable ! Highly repeatable results are always very welcomes, because people believe that they have a high validity and high credibility.
So the correct answer is:
<span>a) Discoveries are more credible when they are independently verified</span>
The energy goes up beacsue warmer air goes up while cold air goes down. This is called convetion.
Burial practices has not lead to significant changes in Earth’s biomes.