(Q).
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 close to an atom's nucleus, the atom is likely bigger or smaller?
(A).
smaller


(Q).
Fossils found at the lowest layer of rock would be the oldest, as these would have been buried for the longest time, whereas fossils found closer to the surface would be buried more recently and therefore be younger.  Having read the above passage, choose the right answer to the following question (choices are deeper or less deep ):   Jonathan is digging at a site, trying to uncover old rocks. In order to find the oldest rocks, Jonathan needs to dig deeper or less deep?
(A).
deeper


(Q).
For bases we can state the folllowing: The higher the pH of a substance, the more basic it is.  Having read the above passage, choose the right answer to the following question (choices are Increased or Decreased ):   John was looking at the bases and noticed something. The lower the pH of the substance, the amount of basic it was Increased or Decreased?
(A).
Decreased