The answer is serotonin. Serotonin is a significant chemical neurotransmitter in the human body. Serotonin that is used in the brain must be made within it. It is believed that serotonin can touch mood and social performance, hunger and ingestion, slumber, reminiscence and sensual desire and purpose.
Microorganisms and humans both have a huge impact on soil health.
Microorganisms can poison the soil or they can help restore soil to a healthy state. Humans, and their use of the land (mining, recreation, pollution, etc) can have significant effects on soil health.
Answer:
The correct answer is B: Cohesion
Explanation:
<u>Cohesion</u> is the ability of water molecules to be strongly bonded together. This happens due to the polarity of water molecules. Since water is made up of two positive hydrogen ions that combine with one negative oxygen ion to form a hydrogen bond. Hence, the molecular structure of water enables hydrogen irons to attract oxygen ions that create a strong polar bond between water molecules.
•Burning a log of wood
•Mixing an acid with a base, producing water and a salt.
•Photosynthesis - a process in which carbon dioxide and water are changed into sugars by plants.
•Cracking heavy hydrocarbons to create lighter hydrocarbons (part of the process of refining oil).
•Cooking examples: popcorn, cake, pancakes, and eggs
