Acid precipitation can dissolve aluminum from soil. As aluminum is dissolved, it can flow into lakes and contaminate the water. High concentrations of aluminum in lakes is fatal to many forms of aquatic life. This scenario provides evidence for which of these concepts?

How did the life of sharecroppers affect their children? children went to school because the farms were small, with little work, children had to work on the farm, so they rarely went to school children learned skilled professions as they worked around the farm. children left home when they became adults because the land wasn't theirs.

Which of the following is not a requirement to become a us representative (congressman/congresswoman)?

What is significant about the power that russian federal cities are granted?