Question

In March 2016, Death Valley National Park in California experienced a rare occurrence: thousands of yellow wildflowers covered the region in a "super bloom." Why was this unusual? Death Valley is the hottest and driest place in North America. The area's average yearly precipitation is just two inches, making it a challenging place for flowers to grow. However, in October 2015, the valley had received more than three inches of rain in some areas. As a result of the unusually wet season, wildflower seeds that had been lying dormant underground suddenly began to grow, producing an abundance of golden blooms.

What is the main idea of the passage?
Because of an unusual amount of rain, thousands of wildflowers grew in Death Valley in 2016.
Because of the hot, dry conditions in Death Valley, it is difficult for flowers to grow there.
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Answer 1

The main idea of the passage is that Death Valley National Park in California experienced a rare occurrence in March 2016 when thousands of yellow wildflowers covered the region in a "super bloom," which was unusual given the area's hot and dry climate. This super bloom was the result of an unusually wet season in October 2015, during which the valley received more than three inches of rain in some areas, causing wildflower seeds that had been lying dormant underground to suddenly begin to grow and produce an abundance of golden blooms.