The density of solid aluminum is 2.70 g/cm^3 which is higher than the density of water having a value of 1.00 g/cm^3. If <span>a 1g piece of aluminum is dropped in a cup of water, it will sink since it is denser than water. Hope this answers the question.</span>
He believed land needed to be purchased from the Indians and not taken. He also believed in separation between state and church. He founded Rhode Island on religious freedom.
The sidebar help readers better understand and identify bronze sculptures. Thus the correct answer is A.
<h3>What is sidebar?</h3>
In a nonfiction article, a sidebar is a brief passage of text that gives information about the article's primary subject. It is graphically distinct but connected to the main theme and can be found on the sidebar of the article.
Statement A enables readers to identify which sculpture is made of bronze, hence it counts as a sidebar. Not everyone is familiar with the distinction between bronze sculpture and other types of sculpting, this kind of method requires supervision.
Therefore, option A It helps readers understand and identify bronze sculptures is the appropriate answer
Learn more about sidebar, here:
brainly.com/question/12314876
#SPJ1
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.