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.
A ; religion became a big part because people were not complying to chola
Answer: They got the news from the newspaper
True they ruled from 403 bc till 404 bc
I could be wrong but I believe it's the Cape Floristic Kingdom
