According to the hypothesis the solar system formed from a cloud of dust and gas

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?

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule