Julie blows a bubble. At first, the pressure of the gas in the bubble is 4kPa. the bubble floats into the air and expands. When it gets to the top of a tree the bubble has a pressure of 2pKa and a volume of 3.5m3. Assuming a constant temparture, what was the volume in m3 of the bubble when it was first blown?

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

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.