The digestive system of multicellular is made up of several organs that work together to break down food so that it may be used in the body. Unicellular organisms have organelles, similar to organs, which help to digest food that will be used by the cell
Answer:
The series of chemical reactions that are used to change natural resources into synthetic products is called chemical synthesis. To make a "natural" product, the natural resource is not chemically changed as much. ... For example, the synthetic material plastic is made from petroleum, which is pumped out of the earth.
Explanation:
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The material needed to stop a beta particle is c. thin pieces of wood.
You could boil away the water, evaporating it, and leaving behind the solute.
B - Sediment . Many layers of sediment slowly built up into a rock which turn into a fossil .
