Something very useful and widely used from a volcano is the Basalt fibre because it has the advantage of good combination properties. It is aplied in fire-fighting, environment protection, aviation, the arms industry, atomobile and plastics and even in the construction industry
Photosynthesis. These are the reactants for photosynthesis and the products of cellular respiration.
It is to help your body and make it strong and healthy
The answer is the control group.
the group in an experiment that is not exposed to the tested variable is called the control group
