The answer is A. Conflict
<span>1. Determined. best describes the mood.
2. Has informed.</span>
The answer is the last one, D. All of the other transitions indicate that the writer will either go into further detail on the subject or list other reasons as to why this would be correct. However, D clearly uses a contrasting transition to introduce a new argument.
The Earth's tilted axis is the cause of the seasons. Throughout the year, the different parts of the Earth that directly receive the Sun's rays change.