Because the reactants react to form a new substances/products
I believe the answer is: . central nervous system.
According to gestalt principle, when an individual observe a certain motion, the neural organization immediately start to give a response as an entire field with differentiated parts and the experience would not connect the physical input in a piecemeal way.
Answer:
The unemployment rate has varied from as low as 1% during World War I to as high as 25% during the Great Depression. More recently, it reached peaks of 10.8% in November 1982 and 10.0% in October 2009.
Explanation:
