Science Class 5 Pollution

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

If a scientist finds high levels of a pesticide in an eagle’s egg, even though the pesticide was only sprayed on a farm 50 miles away, which process is occurring?

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A Natural selection
B Photosynthesis
C Biomagnification
D Evaporation

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Answer: C. Biomagnification

The answer is C) Biomagnification, and the explanation is that the chemical travels through the food chain—from insects to small birds to the eagle—becoming more concentrated and toxic at each step.

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If a scientist finds high levels of a pesticide in an eagle’s egg, even though the pesticide was only sprayed on a farm 50 miles away, which process is occurring?

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