The causes of the growth and decline of civilizations, and their
expansion to a potential world society, are complex. However,
civilizations require not only external advances to prosper, but also
the maintenance and development of good social and ethical relationships usually grounded in religious and spiritual norms.
Answer:
Autonomic nervous system
Explanation:
The autonomic nervous system is the part of the nervous system that is responsible for involuntary actions in our bodies. Involuntary actions or functions are those functions in our bodies that are performed without our being conscious about it. For example, heartbeat, flowing of blood, digestion, etc.
<u>In the given case, when Stacey experienced fight-or-flight her sympathetic branch was activated due to the autonomic nervous system as her heartbeat started pumping faster and her blood pressure surged</u>.
I believe the answer is: concept of <span>conservation
concept of conservation refers to the understanding that something would stay in the same quantity even though it is moved to different medium/appearances.
On average, understanding of </span>concept of conservation would not be developed before we enter the age of 7.
