the gross primary productivity of an ecosystem is
the total amount of biomass.
o the total energy captured by photosynthesis.
o the energy available to primary consumers.
the energy captured after accounting for respiration.

the amount of energy from light converted to the chemical energy of organic molecules PER UNIT TIME.

Explanation:

i do not get the question.

from the word list given, the most suitable words that relate to the reason information were written would be:  

objectivity: lack of bias, judgment, or prejudice

accuracy: free of mistakes, to be correct

authority: the ability to tell people what to do or believe in

content: to be satisfied  

it can be said that the author made the article to present objectivity, to provide accurate information, to be the authority in the subject that he or she writes, and to be satisfied of the information quality given out.