Answer the question below: Hundreds of years ago there were fewer people on the Earth than there are today. Because of this, there was more water or less water.? Assuming that: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
more water

Answer the question below: Eric measures 20 hydrogen ions per 100ml in one solution. Another solution has 30 hydrogen ions per 100ml. The solution with less hydrogen ions is more or less acidic? Assuming that: With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.
less

Q: Answer the question below: Karen is observing an electromagnetic wave and how it travels from its source. This wave travels very far from its source, because the energy is diluted more or less? Assuming that: However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.
A: more

Question: Answer the question below: A particle with less energy will vibrate more or less than one with less energy? Assuming that: The more energy the particles in matter have, the faster and more strongly they vibrate.
Answer: less

*Question*
Answer the question below: An older female is more or less likely to acquire breast cancer than a younger female? Assuming that: Breast cancer is rare in teens but becomes more common as females get older.
**Answer**
more

(Question)
Answer the question below: A dolphin is swimming through waves in the ocean. The dolphin jumps out of the water then falls back in, creating a wave through the dolphin's disturbing the water. Nearby, turtle flaps it's fin and makes another wave. The waves the dolphin made will have an amplitude that is lesser or greater? Assuming that: A wave caused by a disturbance with more energy has greater amplitude.
(Answer)
lesser