Answer: Option (c) is the correct answer.
Explanation:
A long hydrocarbon chain that consists a terminal carboxylic group is known as a fatty acid.
An unsaturated fatty acid consists a double bond within the fatty acid chain. If a fatty acid contains more than one double bond then it is known as polyunsaturated fatty acid.
For example, oelic acid has chemical formula 
is an unsaturated fatty acid.
Therefore, we can conclude that option (c) represents an unsaturated fatty acid.
Answer:
Lymphatic vessels are part of the lymphatic system.
Explanation:
They are similar to blood vessels that are found in the cardiovascular system, but they carry lymph instead of blood.
<span>The division of the fur trade was mostly the
spark of the Pequot war. The Pequot war is a conflict between the Pequot tribe and the alliances that the European
colonists have made in Massachusetts Bay, Plymouth, and Saybrook colonies and
their native tribe alliance with the Mohegan tribes. <span>
<span>It was a
dispute that the Pequots lost; where about an approximate of 700 of these
tribesmen were either killed or sent to slavery. Access to the control of fur
trade divided the two tribes when they both decided to realign with English
trade sources. The Pequots made an alliance with the Dutch, while the Mohegan
made an alliance with the English. </span></span></span>
