A 20.0-liter flask contains a mixture of argon at 0.72 atmospheres and oxygen at 1. What is the total pressure in the flask?
A.0.93 atm
B.2.37 atm
C.8.44 atm
D.18.6 atm

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

If a solution had a ph of 7 what is the solution

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?