Which best explains why scientific theories grow stronger over time?

a.) as more scientist attempt to find holes in the current theory adjustments are made which make the theory stronger

b.) more students are taught about the theory and so there are more people who will leave the theory to be true

c.) scientists believe that older theories are stronger than newer theories

d.) new evidence is ignored if it's contradicts to the older more accepted theories
i need the best answers !

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.

plasma - state of matter made up of electrically charged particles

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.