TLS Online TPP Program

#Question id: 22667


Ballast water is a serious issue due to possibility of

#Unit 13. Advances in Biotechnology
  1. introduction of polluted water from one site to another site
  2. introduction of marine alien invasive species
  3. release of water from the ship leading to severe upwelling, causing disturbances in ocean currents
  4. several ships anchored near the harbors causing transient localized depletion of water due to uptake of seawater after offloading cargo