Which statement about HABs is true?

• A. HABs occur only in the summer.
• B. HABs can occur anywhere, anytime and algacides can worsen the bloom by lysing the bacterial cells and releasing toxins.
• C. HABs can be treated effectively with algacide CuSO4 in all cases.
• D. HABs occur only in nutrient rich water bodies.

Answer: (B)