Answer:
Particles need to collide in order to react. Which best explains why sawdust burns more quickly than a block of wood of equal mass under the same conditions? The molecules move more quickly in the sawdust than in the block of wood. The pressure of oxygen is greater on the sawdust.
The atoms and molecules in gases are much more spread out than in solids or liquids. They vibrate and move freely at high speeds. A gas will fill any container, but if the container is not sealed, the gas will escape. Gas can be compressed much more easily than a liquid or solid.
Answer;
-Carbohydrates
Explanation;
-Carbohydrates are the first nutrients broken down. It starts in the mouth with saliva and ends in the rectum.The main function of carbohydrates is to provide your body with energy to support muscular work, brain activity, breathing and other important activities. Carbohydrates are made up of sugars known as saccharides.
-Carbohydrate digestion begins in the mouth and is complete when the polysaccharides are broken down into single sugars, or monosaccharides, which can be absorbed by the body.