Because energy transfer is not 100% efficient across trophic levels, a maximum of about % of energy and biomass available at one trophic level is available at the next.

a person with a mass of 106kg has a weight of 1060n

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.