A fire extinguisher, this is because it can burn your skin and it is meant to suffocate the flame and can suffocate you in the process. The best option for a human is a fire blanket.
Through processes like photosynthesis.
Yes, everyone can have benefits from having a dietician
The answer is; A
Nebulae are clouds of dust and gas in space. When local areas in nebulae start to collapse under their own weight and fusion begins, a star is born. This, therefore, means that a star is denser than nebulae because it requires that atoms fuse for it to form. Fusion creates heavier atoms from light atoms.
Simple answer is that the plants are conducting more photosynthesis than all the organisms in the tank are carrying out cellular respiration. This would be why the carbon (CO2) levels are decreasing. They are being incorporated into the plant as sugars.