<span>Sage, rosemary, thyme and oregano shrubs produce irritating or toxic substances in their roots so that other plants can't grow close to them.</span>
<span>a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants, it consists mainly of cellulose.</span>
During the process of photosynthesis<span>, plants use energy from the Sun to convert carbon dioxide and water into glucose and oxygen. </span>These products<span> are, in turn, used by the plant or animals that eat the plant during cellular respiration to produce ATP. So it would be Carbon dioxide. Hope this helps. :)</span>
