why has the spread of the herbicide - resistant hydrilla through floridas waterways resulted in them no…

why has the spread of the herbicide - resistant hydrilla through floridas waterways resulted in them no longer being navigable by most boats?\na. thy hydrilla has induced a drought that drained the waterways.\nb. the weed clogs propellers that boats use for propulsion.\nc. the sticky leaves of the weed hold boats in place.\nd. all of the above

why has the spread of the herbicide - resistant hydrilla through floridas waterways resulted in them no longer being navigable by most boats?\na. thy hydrilla has induced a drought that drained the waterways.\nb. the weed clogs propellers that boats use for propulsion.\nc. the sticky leaves of the weed hold boats in place.\nd. all of the above

Answer

Brief Explanations:

The herbicide - resistant hydrilla is a water - weed. It grows densely in waterways. Its growth can clog the propellers of boats which are used for propulsion, making the waterways non - navigable for most boats. It doesn't induce drought and its leaves don't hold boats in place.

Answer:

B. The weed clogs propellers that boats use for propulsion.