In each of the questions below, a word is given, followed by four statements. From the options, choose the one that provides the combination of statements that can be joined using the given word.

Even though

1. The loss of ice is closely monitored.
2. It affects marine biodiversity, global trade routes and can accelerate global warming.
3. Wildfires are not unusual during the arctic summer from May to October.
4. The scale and intensity of these fires this year have been a cause of concern.