Question

1
is a free-floating perennial
plant that can grow up to a height of 3 feet above the
surface. It has striking light-blue to violet flowers
located on terminal spikes. Its flower is seen as an
aquatic pest because it can clog streams and kill
underwater flora and fauna by covering the water
surface, thus resulting in cutting of supply of oxygen
and sunlight​

Answer 1

Explanation:

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