(Question)
The farther the sound waves travel away from the source, the more spread out their energy becomes. A sound wave, very far away from its source, is spread out more or less than near its origin?
(Answer)
more

(Question)
More advanced farming practices allowed a single farmer to grow food for many more people. If Milo is a farmer and he wants to increase the amount of bell peppers he grows, what should he do to advance his farming practices increase them or decrease them?
(Answer)
increase them

(Question)
More recently, the death rate has fallen because of the availability of more food and medical advances. When the villagers are living longer, the food source is likely great or small?
(Answer)
great