Answer:The Polar Ice Cap itself reflects sunlight energy (heat) back into space, rather than the heat being absorbed by the Earth. This is called albedo, the amount of sunlight reflected by an object. As the Ice Cap melts, the albedo is reduced and the Earth absorbs the energy that is not reflected.
Explanation:
A paragraph begins further in from the margin.
Answer:
Recorded in wampum as recitations, written down later, the spellings of names differed as transliteration varies and spellings even in European languages were not entirely regularized.
(Not for sure)
Explanation:
The correct answer is B: HOWEVER.
From the passage given above, it can be seen that the similarities between coal and petroleum is the principal subject of the passage. The author gives several points that are jointly shared by both coal and petroleum. The author only gives one contrast between the two and in the process of making the contrast, he used the word 'HOWEVER'. The difference that the author gives about coal and petroleum is in their formation.