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<span>B. Social interaction. Highly populated areas bring together people from all walks of life and due to circumstance these people end up relating with each other on one level or another. In most cases people living in highly populated areas will end up becoming friends over a long period of time as it is likely that members of their families may end up going to the same schools or work in the same areas.</span>
The answer is [C-Poisoned wildlife from pestocides]
Answer:
1,000 kcal
Explanation:
As a general rule, every trophic level only gains 10% of the energy from the trophic level.
So, the grass has 100,000 kcal of energy. Assuming the bird eats grass, it only gets 10,000 kcal of energy. Assuming the fox eats the bird, it only gains 1,000 kcal of energy.