Which of the following explains why using locally-produced resources (as opposed to those produced a great distance away) can be considered a form of conservation?
a)
transporting resources consumes additional resources.
b)
using local resources reduces the requirement for transport.
c)
buying local with tax revenue.
d)
both a and b.

b. examine and describe cells

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.