A weather balloon contains 59.5 L of helium at sea level, where the atmospheric pressure is 1 atm. The balloon is released from a 4000m mountain top where the pressure is 0.609atm. What is the volume of the balloon when it is released?

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?