In general, fossils in older rocks are less similar to modern organisms. Dan is comparing a mosquito that has been fossilized to a mosquito that he saw in a museum. Since the fossilized mosquito is millions of years old, the similarities between the organisms will be many or few?
many

Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes. Will decreases the population of his model of the world's population. The amount of water scarcity, if no other variables are changed, will likely go up or down?
down

During inhalation, because the chest volume is larger, the air pressure inside the lungs is lower than the air pressure outside. Mike takes deep breaths, and knows that his chest volume is fairly sizable. Considering his chest size, the air pressure inside the lungs, compared to the air pressure outside, is lower or higher?
lower

The more curved the surface of a lens is, the more it refracts the light that passes through it. If Mona is building a lens for looking at the stars and she wants to make sure it refracts less light then the one she previously built, will she need to make the surface more or less curved then the one before less or more?
less