Early 1800's. The Erie Canal was built in 1817
Answer:
They use light to make food.If there is no light, they are not able to make food and hence leading to their death.
Explanation:
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Answer:
the IV is how many times the fish get fed or the amount of food and the DV is the weight of the fish, the CG is the type of food.
Hypothesis: If the second tank of fish get fed twice a day and the first tank of fish get fed once a day, then the second tank of fish would weigh more than the first tank because they got more food.
Answer:
unlimited wants and limited resources
