Question 29 - ESL Reading Skills Practice Test for the ACCUPLACER Test

In the second sentence, what does “have a few theories” mean?

Dinosaurs vanished from Earth about 65 million years ago. Scientists are not sure why this happened, but they have a few theories. Some experts say that volcanoes destroyed the dinosaurs. Others think that their disappearance was caused by something falling from the sky, like a comet or asteroid. Some scientists think that it was a combination of both of these, or that the Earth’s surface shifted and the climate changed. Whatever happened, it stopped the dinosaurs from walking on the Earth, forever.

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