Because, if there's no summer the seasons won't be completed.
Medicine and safety regulations at the work place.
In urban areas, there are more people, therefore not a lot of farmland. (that eliminates C) If city buildings don't allow flood waters to recede, that could be dangerous in many ways. (So A is still a reasonable answer) If most cities are built in flood zones, there should be some form of shelter if houses aren't safe. Pollutants and diseases being carried in water are already dangerous, but easier to spread with rapid flood waters that are sweeping everywhere. So your best answer would be either A or B.
Answer:
She's trying to enrich the soil with nutrients.
Hope this helps & good luck!
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Answer:
Bushfires in Australia are a widespread and regular occurrence that have contributed significantly to moulding the nature of the continent over millions of years.