How is blood different after it is pumped through the gills? Select all that apply.
It has less carbon dioxide than
when it entered the gills.
It has more oxygen than when
it entered the gills.
It has more carbon dioxide
than when it entered the gills.
It has less oxygen than when it
entered the gills.
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The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.