Currently, electricity from solar panel systems is cheaper than electricity produced from fossil fuel or nuclear power plants
True
False

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

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.