Answer the question below:   When water starts to freeze it becomes more dense or less dense?    Assuming that:  Lower temperature and higher salinity yield the densest water.
more dense

(Question)
Answer the question below:   Sasha is throwing bottles into the lake. Some bottles are filled with sand, and some only have a tiny bit of sand in them. The bottles with a tiny bit of sand will sink last because they are less dense or more dense?    Assuming that:  The more tightly packed the particles inside the material are, the more dense we say they are.
(Answer)
less dense

Ques: Answer the question below:   If a herd of elephants and humans are living happily in a forest and the humans then decide to move away, what happens to the elephants they decrease in number or they increase in number?    Assuming that:  The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.
Ans: they increase in number

(Q).
Answer the question below:   Mike is stretching a rubber band out. The harder he pulls, and the more he stretches it, the resistance of the band is greater or lesser?    Assuming that:  The farther you stretch the band, the greater the resistance is.
(A).
greater

Ques:Answer the question below:   Two species with near similar DNA should have a close or distant relationship?    Assuming that:  The more similar the DNA molecules of different species are, the closer the relationship is likely to be.

Ans:close

Question: Answer the question below:   If Jim makes his resistor shorter, the resistance is exhibits is smaller or greater?    Assuming that:  The longer the resistor, the more resistance it has.
Answer:
smaller