If a time machine transported you to the early days of the Earth's atmosphere, before plants and animals existed on our planet, which of the following best describes what would happen?
A. You would slowly photodissociate.
B. You would be crushed by the atmospheric pressure.
C. There would be enough oxygen in the air for you to breathe.
D. You would be outgassed.
Answer: C
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Which of the following best matches the description?Class of pesticides that kills fungi.
A. hard pesticide B. chlorinated hydrocarbon C. persistent pesticide D. macronutrients E. fungicide F. biocide G. biomagnification H. soft pesticide I. herbicide J. auxin K. pheromone L. micronutrient M. organophosphate N. rodenticide O. weed P. micronutrients Q. macronutrient
The main categories of biomes are based on differences in component organisms' response to
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Use your knowledge of plate boundaries to answer whether an earthquake is likely or unlikely to occur at the location of the red circle.
A. likely B. unlikely