The more branching there is in isomers, the lower the boiling and melting points are. Having read the above passage, choose the right answer to the following question (choices are higher or lower ): If an isomer has more branching than another isomer, it should have a higher or lower melting point?
lower

(Question)
In bigger atoms, valence electrons are farther from the nucleus. Having read the above passage, choose the right answer to the following question (choices are bigger or smaller ): If valence electrons are far from an atom's nucleus, the atom is likely bigger or smaller?
(Answer)
bigger

Ques: Solar power is expensive, but as demand increases technology improves and costs decrease. Having read the above passage, choose the right answer to the following question (choices are more expensive or less expensive ): Years from now, solar power will be more expensive or less expensive than it is today?
Ans: less expensive

(Q).
Temperature affects the rate at which photosynthesis, cellular respiration and decomposition take place. The rate of reaction increases with increasing temperature and decreases at lower temperatures. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): If the temperature in the environment decreases, what will happen to the rate of cellular respiration increases or decreases?
(A).
decreases

Ques:With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): If Milo increases the concentration of hydrogen ions in his swimming pool, what happens to the acidity of his pool increases or decreases?

Ans:increases

Ques:Lower rock layers were laid down earlier, so they are assumed to contain older fossils. Having read the above passage, choose the right answer to the following question (choices are younger or older ): As we dig deeper into rocks they get younger or older?

Ans:
older