Answer:B. interstate commerce.
Explanation: Interstate commerce is the trade and commercial activities taking place between or connecting individuals living in two states. The interstate commerce is regulated by the COMMERCE CLAUSE OF THE UNITED STATES OF AMERICA. The commerce clause is contained in Article 1, Section 8, Clause 3 of the U.S. Constitution, which gives Congress the power “to regulate commerce with foreign nations, and among the several states, and with the Indian. This clause has empowered to Congress to regulate commercial activities between the states and individuals etc.
Brackish water is water that has some salt/sea water, but is mostly fresh.
Answer: C. 24 hours
Explanation: By definition, the Earth's rotation is the amount of time that it takes to rotate once on its axis. This is, apparently, accomplished once a day – i.e. every 24 hours.Mar 25, 2016
