Answer: Central and Peripheral.
Explanation: The nervous system has two major divisions: central and peripheral. The central nervous system contains the brain and the spinal cord. The peripheral nervous system contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body.
Answer: plant tours
Explanation: operators work and keep it going and do not do tours
In chemical reactions involving enzymes, the substrate proteins are huge molecules that will only react with each other if they're aligned just the right way. If they are permitted to interact with the enzymes present, the won't collide and react often enough for the reaction to do any good.The enzymes align the molecules, basically acting like "molecule shepherds," showing them the way they need to react.This speeds up the reaction greatly, making things like digestion possible. Hope this is helpful
It provides the cell as a support and protection and acts like a filtering mechanism.They are found in the plant cell
The three major types of pollution are air pollution, water pollution, and land pollution. Sometimes, air pollution is visible. A person can see dark smoke pour from the exhaust pipes of large trucks or factories, for example. More often, however, air pollution is invisible.
