All organisms are affected by soil pollution. Why?

Explanation

**Step-by-Step Solution:**

1. **Understanding Soil Pollution**: Soil pollution refers to the contamination of soil with harmful substances, which can come from various sources such as industrial waste, agricultural chemicals, and improper disposal of waste.

2. **Impact on Food Sources**: A significant reason all organisms are affected by soil pollution is that approximately 90% of food consumed by organisms comes from plants. Plants are primary producers in ecosystems, and they rely on soil for nutrients and growth.

3. **Contamination of Plants**: When soil is contaminated, it directly affects the health and productivity of plants. Contaminated soil can lead to reduced crop yields, poor plant health, and the production of toxic substances in edible parts of plants.

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