I would say the answer is - D. rain forest
Hope that helps :P<span />
The implication of taxes on things in Maryland that went unchartered
The answer is A. Indonesian traditions
Indonesia is a island in the Pacific and Indian Ocean. It has many volcanoes and is very populated, with over 260 million people.
The answer is Literacy increased among ordinary people.
I searched that just to make sure that I was right.
To cause a source to be biased means that it is influenced by your opinion or another factor that is not factual. Bias can take away from the credibility because it is not completely true, as a source should be.