Question

the view held by both malthus and paul ehrlich suggested that depletion of resource supplies due to greater numbers of people would lead to the collapse of civilization did not really come to pass because______

o they only looked at crude birth and death rates.

o technological advances lead to increased efficiencies in food production and water distribution.

o economic development can (and has) lead to a slowing of the overall human population growth rate.

o they did not consider factors that affected tfr.

o all of these are correct.

Explanation:

Malthus and Ehrlich's predictions didn't materialize. Technological progress improved food and water - related efficiencies. Economic development can slow population growth. Focusing only on crude birth and death rates and ignoring TFR - affecting factors were limitations.

Answer:

All of these are correct.