Dietary fiber results from the inability of our digestive system to break down the cell walls of plants. The molecule that makes up the rigid structure of cell walls is a complex carbohydrate known as?

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.

The short-term effect of tar on the body is increased blood pressure.

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