Question

station: other types of water

1. complete the following grid:

pollution type	cause	effect
particulate matter
radioactive

Explanation:

To complete the grid, we analyze each pollution type:

Thermal Pollution:

• Cause: Discharge of heated water from power plants (e.g., nuclear, thermal power stations) or industrial processes (e.g., cooling systems).
• Effect: Reduces dissolved oxygen in water, disrupts aquatic ecosystems (e.g., fish kills, altered breeding cycles), and promotes algal blooms.

Particulate Matter Pollution (in Water):

• Cause: Erosion (soil runoff from construction, agriculture), industrial waste (e.g., mining, manufacturing), or improper waste disposal (e.g., litter, sediment from deforestation).
• Effect: Clouds water, blocks sunlight (harming photosynthetic organisms like algae), clogs gills of aquatic life, and degrades water clarity/quality.

Radioactive Pollution:

• Cause: Nuclear power plant accidents, improper disposal of radioactive waste (medical/industrial), or nuclear testing.
• Effect: Causes genetic mutations in aquatic organisms, increases cancer risk in humans (via contaminated water/food), and long-term ecosystem damage (bioaccumulation in food chains).

Answer:

Pollution Type	Cause	Effect
Particulate Matter	Erosion, industrial waste, improper disposal (soil, sediment, debris)	Reduced water clarity, gill damage, harm to photosynthetic organisms
Radioactive	Nuclear waste, power plant accidents, nuclear testing	Genetic mutations, cancer risk, long-term ecosystem damage