Q Question 1 1 / 1 pts The current human population is approximately Question 2 1 / 1 pts In hectares, the average ecological footprint of a person in the US is _________. To be globally sustainable, average global footprint needs to be _________. Question 3 1 / 1 pts An age structure diagram with a wide base and narrow top is expected to ___________ in the future. Question 4 1 / 1 pts The human population on Earth is following which population growth model? Question 5 0 / 1 pts Which is NOT true of Earth's carrying capacity?

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