<em>Answer:</em>
<em>dyad </em>
<em>Explanation:</em>
<em>In sociology, </em><em>a dyad group is described as a group that contains only two member or people and is considered as the smallest social group that is being possible so far. However, according to many sociologists, the pair of individuals who are involved in a dyad group is said to be linked through "romantic interest, work, partners in crime, family relations, some other interests, and so on".</em>
<em>As per the question, the statement signifies a dyad group. </em>
Toestablish post offices and post roads
Issue patents and copyrights
Fix standards of weights and measures
Establish courts inferior to the Supreme Court
To make all laws which shall be necessary and proper for carrying into execution the foregoing powers
<span>Population size is closely linked to its rate of change. If the population is below the threshold for the resources available, it will increase in size ... The more distance between the actual size and the threshold, the greater the rate of increase. If the population is above its threshold, it will start to decrease in size. The threshold will be the equilibrium position so it will tend to wave up and down until it gets to the equilibrium. The reason real life populations don't do this is because the resources are changing all the time so the equilibrium is a moving target.</span>
Answer: D.The size of the beaver population will increase.
Explanation:
