Write a paragraph to answer the activity 39 Challenge Question--How does water move from place to place and pick up contaminants as it moves? Include at least four different examples of how water moves from one place to another in the water cycle and at least four different ways water can pick up contaminants (where it

picks them up and what they are).

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.