One liter of air contains about 0.21 l of oxygen. when filled, the human lungs hold about 6.0 l of air. how much oxygen is in the lungs when they are filled with air? (round off to the nearest hundredths place.)

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

One does not belong why? ice, gold ,wood ,diamond and table salt

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.