A single search (search âAâ) of a database retrieved a total of 8,734 documents, of which 429 pertain to the topic being studied. Several additional searches on the topic of interest were also conducted and these additional searches plus search âAâ retrieved a total of 12,832 distinct documents, of which 1,987 pertained to the topic of interest. Given all of the above information, with respect to search âAâ, what quantities can be calculated? a. Precision, recall, and relative recall
b. Precision and recall
c. Recall and relative recall
d. Precision and relative recall

the answer is trees if i'm not mistaken

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.