Question

fill in the blank question
if everyone in the world were to have an ecological footprint equal to an average north american, we would need about
more planets to support us all.
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Explanation:

The ecological footprint of an average North American is relatively large. Studies show that if everyone in the world had a footprint equal to that of an average North American, we would need about 3 more planets (since the Earth's capacity is 1 planet, and the total required would be around 4 times the Earth's capacity, so 4 - 1 = 3 more planets) to support the population.

Answer:

3