Did i do this science worksheet correctly? asking for a friend

Explain why scientists use shared characteristics to make cladograms.

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.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false