Final answer:
The conjunction 'Although' is the correct word to show the contrast between the cold winters and warm summers in Ontario.
Step-by-step explanation:
The correct answer to the question is: Although winter is cold and snowy in Ontario, summer is sunny and warm. The word 'Although' is used to introduce a subordinate clause that indicates a contrast with the main clause. In this case, it highlights the contrast between the cold, snowy winters and the sunny, warm summers in Ontario.
The use of the word 'Although' in the given statement introduces a subordinate clause that signifies a contrast with the main clause. The statement, "Although winter is cold and snowy in Ontario, summer is sunny and warm," effectively emphasizes the seasonal disparity in Ontario's climate. This construction employs a subordinate clause ("Although winter is cold and snowy in Ontario") to present the contrasting information about the harsh winter conditions, followed by the main clause ("summer is sunny and warm") that highlights the contrasting characteristics of the summer season. The conjunction 'Although' serves as a link, effectively conveying the juxtaposition between the cold, snowy winters and the sunny, warm summers in Ontario. This linguistic structure enhances the overall expression, elucidating the distinct seasonal variations experienced in the region.