Arudimentary method to calculate the melting temperature of dna is an equation known as "the wallace rule". this equation is: tm = 2(a+t) + 4(g+c) where a = # of adenine nucleotides in the dna sequence, g = # of guanine, t = # of thymine, and c = # of cytosine. tm (in °c) is the temperature at which double stranded dna will dissociate and become single stranded. the "2" and "4" portions of the equation are weighted factors. why might more weight be given to the gc term of the equation than the at term?

answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients:   open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures:   the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c

im not intirely sure but i think the anwser is d relative humidity

yes, because even though a theory has a  lot of evidence to support it, it is not always true