Oxygen and glucose
cellulose
cellulose
Minerals
IT is used in plants and is the substance that colours the leaves of plants green. They are an essential substance to all processes in plants.
Sugar is an example of a hydrocarbon. Sugar is an example of a sweet substance made from liquids taken from plants.
Its not common, most drugs are made out of plants and chemicals.
A toxin is a substance that can injure living tissues. Toxins may be natural (e.g. from plants or bacteria) or human-made.
chlorophyll
Chlorophyll.
The substance which makes plants woody is lignin. The wood part of plants ( bark in trees ) is made entirely of xylem which is the transport vessel that carries water from the roots to the leaves. Since wood is made of lignified xylem which is very hard, it makes it woody and hard.
Carbon is a chemical substance found in the Earth but not formed by plants or animals.
how a substance that helps a plant grow wellhow a substance that helps a plant grow well