The correct answer should be the third one you listed. The "current drag" then is a device that is used in order to measure the sub-surface currents. This device and the measurements it provides are extremely important for the field of oceanography which studies the aspects of the oceans both the physical and the biological ones.
Answer:
The answer is option C. The Spanish Flu of 1918
Explanation: There are some deadly pandemic attacks on the human history which have taken thousands of lives. Pandemic is a break out of any virus transmitted from other animal.The Spanish Flu of 1918 was one of the deadliest pandemic attack which have taken many lives.
The islands made it hard to get from place to place.
China assisted north korea
They raised taxes because of something called <span>mercantilism</span>
