which of the following is the most serious effect of water pollution for humans? a. infectious diseases b…

which of the following is the most serious effect of water pollution for humans? a. infectious diseases b. algal blooms c. toxic food chain effects d. low - oxygen water please select the best answer from the choices provided

which of the following is the most serious effect of water pollution for humans? a. infectious diseases b. algal blooms c. toxic food chain effects d. low - oxygen water please select the best answer from the choices provided

Answer

Answer:

A. infectious diseases

Brief Explanations:

Infectious diseases from polluted water can directly harm human health, like cholera and typhoid. Algal blooms mainly affect aquatic ecosystems, toxic food - chain effects are long - term and indirect in many cases, and low - oxygen water impacts aquatic life more immediately than human health directly.