Name three types of aquatic pesticides commonly used in Utah and provide a scenario of when each would be chosen.

• A. Algaecides for algae control; systemic aquatic herbicides for invasive aquatic plants; contact herbicides for rapid kill of floating weeds.
• B. Algaecides for algae control; contact herbicides for invasive aquatic plants; systemic herbicides for floating weeds.
• C. Algaecides for underwater weeds; systemic herbicides for algae; contact herbicides for fish.
• D. Algaecides for algae control; systemic herbicides for invasive aquatic plants; contact herbicides for rapid kill of floating weeds.

Answer: (A)