Answer: Troposphere
Explanation: The troposphere is the lowest layer of the atmosphere. This is the layer where we live and where the weather happens. The Temperature in this layer generally decreases with height. The boundary between the stratosphere and the troposphere is called the tropopause..
Answer:
The reasons for rapid growth of population are increasing of birth rate, unawareness of public, uneducated mothers, etc.
The correct answer is the dopamine reward system.
The dopamine reward system in the brain is implicated in reward seeking behavior, praise and monetary rewards, addictive substances and feelings of love. When a person experiences feelings of love or passion, fMRI studies (brain scans) indicate that regions in the brain's dopamine reward system (particularly the caudate nucleus and putamen areas) show an increase in activity and functioning.
