Which is the process by which plants convert light energy into chemical energy?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

How many moles of gas are present if p=11 atm, v=12l, t=185k?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?