Search over 10,000 free study notes

The particles in a gas are widely spaced and move around freely. This means they will move to fit into any space but in liquids and gases the particles are more closely packed so cannot be compressed.

Alveoli have a large surface area, allowing more oxygen and carbon dioxide molecules to diffuse across at one time.

glucose + oxygen = carbon dioxide + water

Photosynthesis is the process in which energy in the form of sunlight is used to convert water and carbon dioxide into glucose. The factors that limit the rate are carbon dioxide concentration, temperatur...

1.) y²/x2.) x²+2y3.) xy4.) y²-2x²