Cu có hai đồng vị là 63cu và 65cu biết rằng M cu = 63.54. Nếu như có 500 nguyên tử Cu thì trong đó có bao nhiêu nguyên tử là 63 Cu

The pressure in a fluid is affected by which characteristics of that fluid

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.

What conclusion can you draw from this experiment about the components of the black ink?