F the fertility rate decides the number of child BIRTHS per year not deaths
Done!
Answer: First Question.
A. PARASYMPATHETIC BRANCH
Second Question (Question 3)
D. THE MOLECULAR GATES OPEN TO ALLOW SODIUM IONS INTO THE NEURON
Explanation:
PARASYMPATHETIC BRANCH
The Parasympathetic Nervous which at times is referred to as the "rest and digest" system is one of 3 divisions in the Autonomic Nervous System.
It conserves energy as it slows the heart and increases intestinal and gland activity. It essentially takes over when one relaxes from an exciting ordeal.
ACTION POTENTIAL
During an Action Potential, a part of the neural membrane/ molecular gates open up to allow positively charged ions inside the cell and negative ones out.
With sodium being a positive ion, channels open up and positive sodium cells surge into the cell in preparation for an electrical signal being sent down the axon once a threshold has been reached.
The authors mean that you can't discriminate against someone because of the color of their skin or the problems they may have.
I believe the answer is theoretical model
A theoretical model is the foundation that could be held to support a certain theory for a certain research or study.
From the example above, the study is build on a foundation that both behavior and environmental factor could affect the subjects' overall health
Answer:
The correct answer is true.
Explanation:
This is the correct as from the north and west China was isolated by deserts, among which the largest one was Gobi. On the south country was isolated by high mountains, including Himalayas, and of course Pacific Ocean to the East. This enabled Chinese civilization to develop totally differently than all other ancient civilizations.
