True or False: Oxygen most likely accumulated in the atmosphere very gradually after the appearance of photosynthetic organisms, which consume carbon dioxide while manufacturing oxygen

Indicate whether this statement is true or false.


Answer: TRUE

Environmental & Atmospheric Sciences

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The Aboriginal population constitutes roughly what percentage of the population of contemporary Australia?

A) 1% B) 13% C) 70% D) 33% E) 3%

Environmental & Atmospheric Sciences

Trace the conversion of solar energy to other forms through the hydrologic cycle

What will be an ideal response?

Environmental & Atmospheric Sciences

Which of the following landforms is NOT associated with continental glaciers?

a. esker b. terminal moraine c. horn d. drumlin

Environmental & Atmospheric Sciences

What type of vegetation would you find in a steppe region?

a. hardwood forest b. rainforest c. short grasses d. no vegetation at all

Environmental & Atmospheric Sciences