HORTICULTURE

HORTICULTURE SCIENCE

GENERAL AGRICULTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The best way to block Asian carp from moving into the Great Lakes from the Illinois River would be the closing of locks and dams in and near Chicago; however, these waterways are not being closed because
A
Republicans in the U.S. Congress are concerned about taxes on the rich.
B
as major transportation links for the region, they are important for the economy of St. Louis.
C
too many Asian carp are already clogging the locks and dams and cannot be removed.
D
as major transportation links for the region, they are important for Chicago’s economy.
Explanation: 

Detailed explanation-1: -Asian carp are constant and voracious eaters, able to consume between 20-120% of their body mass in plankton. The insatiable appetite of Asian carp could lead to a plankton shortage for native fish that eat plankton as they grow, and those that consume it throughout their lives.

Detailed explanation-2: -These barriers are designed to prevent fish migration between the Mississippi River and Great Lakes basins through the CSSC. The barriers are comprised of steel electrodes secured to the bottom of the canal and are controlled from an adjacent building.

There is 1 question to complete.