Answer:
It's answer 4 which is from the food they eat.
Explanation:
This happens as the following:
- When animals eat their food, the food is digested.
- Then the food stored is processed by the cell mitochondria.
- Mitochondria converts energy into food.
- The food then is eliminated as waste from their bodies.
Answer:
D) states with large population.
Explanation:

Families fell apart when the husbands would leave to go search for jobs.To save money, families neglected medical and dental care. Many familles sought to cope by planting gardens, canning food, buying used bread, and using cardboard and cotton for shoe soles. Despite a steep decline in food prices, many families did without milk or meat.
Marriages were delayed, Divorce &birthrate decreased .

Hope it helps
~<em>ʆᵒŕ∂ཇꜱꜹⱽẻⱮë</em>
Answer:
low skill jobs because menial job means unskilled job