If the initial concentration of a is 0.00540 m, what will be the concentration after 795 s?

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

Compare and contrast physical changes with chemical changes.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins