Question

*What are the natural causes of water pollution?*

1️⃣ Disposal of floral offerings to god.
2️⃣ Mixing dyes with water from leather and dairy processing industries.
3️⃣ Excessive algal growth.
4️⃣ Washing of clothes in river water.​

Answer 1

washing of clothes in river water .

option 4 is correct

Answer 2

Answer:

Option C

Explanation:

Excessive algal growth is natural cause of water pollution others are man-made pollution