The aweser would be B properties and rare earth elements
The answer is c ) cellular respiration uses oxygen and releases carbon dioxide while photosynthesis uses carbon dioxide and releases oxygen
To the heart: pulmonary vein
Away from heart: pulmonary artery
You need air flowing through the boat. I second alternative is to get a smoke detector of some kind.
Hope it helped!
C) Eutrophication is the answer
Have a Nice Day! :)
