Cyanobacteria are one of only a few organisms able to use nitrogen gas to make organic matter.
Answer the following statement true (T) or false (F)
True
Environmental & Atmospheric Sciences
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The Appalachian Mountains are famous for their ______ structure.
a - volcanic b - ridge and valley c - faulted d - graben e - rift valley
Environmental & Atmospheric Sciences
As the sugars are broken down in the cells of living creatures, the energy returns to the atmosphere through the process of ________
A) evapotranspiration B) photosynthesis C) respiration D) transpiration
Environmental & Atmospheric Sciences
The Apollo astronauts brought ________ rocks back to the Earth.
A. comet B. asteroid C. Mars D. Venus E. moon
Environmental & Atmospheric Sciences
Dumping lawn clippings into a stream will reduce this
A. biochemical oxygen demand. B. flow rate. C. dissolved oxygen. D. dissolved nitrogen.
Environmental & Atmospheric Sciences