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You answered "They have infrared-sensitive receptors". Click "CONTINUE" to proceed to the next question.

Interesting fact:

Many people are scared of snakes, which is for a good reason, studies show that every year between 20.000 and up to 80.000 people die every year due to a poisonous snakebite. The risk is generally the highest in South-East Asia as well as in the sub Saharan region.

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