Answer:
Plants are a source of food, fuel and medicine.
Explanation:
In biology, plants are photosynthetic living beings without locomotive capacity whose cell walls are mainly composed of cellulose.
The importance of plants for humans is indisputable. Without them we could not live, since the plants participated in the composition of the gases present in the Earth's atmosphere and in the ecosystems, and are the primary source of food for heterotrophic organisms. In addition, plants have direct importance to man: as a source of food; as building materials, firewood, fuel and paper; as ornamental; as substances that worsen or improve health and therefore have medical importance; and as a consequence of the latter, as the raw material of the pharmaceutical industry.
Answer: "root hairs" .
_____________________________________________________________
"In roots, <u> root hairs </u> increase the surface area through which water and materials can diverse."
_____________________________________________________________
Answer:
a spore of certain algae ,Fungi and protozons capable of swimming by means of flagellum
The antacid tablet because it stays the same through out the whole experiment while the water tempratures
