Which statement is true?
a. Atmospheric nitrogen (N2) is released by decomposers such as anaerobic bacteria and fungi.
b. Atmospheric nitrogen (N2) must be converted to other forms before it can be used by plants.
c. Nitrogen fixation is the process that transforms nitrates into atmospheric nitrogen (N2).
d. Most nitrogen in soil takes the form of nitrous oxide (N2O) or nitrite (NO2-).
b. Atmospheric nitrogen (N2) must be converted to other forms before it can be used by plants.
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Most human embryos that are aneuploid
A. result in Down's syndrome. B. result in sterility. C. are spontaneously aborted in the first trimester. D. can develop and survive to adulthood. E. are usually the result of increased nondisjunction in the gametes of older men.
The process by which species cease to exist
A. All of the answer choices are correct. B. is endangerment. C. is speciation. D. is extinction. E. has never occurred.
If you exposed a C4 plant to 14CO2 in the light, which would be the first organic molecule labeled with 14C?
A. phosphoenolpyruvate (PEP) B. malate C. pyruvate D. oxaloacetate
A well-written business case should persuade decision-makers to support the project and inspire the project team members and key stakeholders to work hard towards successful completion of the project.
Answer the following statement(s) true (T) or false (F)