If active transport establishes a concentration gradient with the use of ATP, then the concentration gradient can be looked at as

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

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