What are the negative impacts of economic development?

What impacts did the presence of oxygen on the Earth's atmosphere have on the development of life?

  • The presence of oxygen in the Earth's atmosphere had important impacts on the development of life because [SELECT ALL THAT APPLY] Select one or more: A. It made possible the ...show more

  • Answer:

    A. It made possible the formation of the ozone layer which provided protection from UV and allowed life to move onto land. B. It allowed the development of aerobic respiration which is a very efficient energy production mechanism. C. Oxygen causes oxidative damage to biological molecules and so is toxic to organisms that have not evolved protective mechanisms. E. Oxygen is an essential requirement for life. Only D is false.

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