Which of these best explains the formation of deep ocean currents

0.09 moles of sodium sulfate in 12 ml of solution

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.