Give any two ways in which biodegradable substances would affect the environment

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Biodegradable Substances**: Begin by understanding what biodegradable substances are. These are materials that can be decomposed by microorganisms, such as bacteria and fungi, into simpler, non-toxic substances. Common examples include vegetable waste, paper, and cotton.

2. **Positive vs. Negative Impact**: While biodegradable substances are generally considered better for the environment compared to non-biodegradable substances, they can still have negative effects.

3. **First Way - Breeding Ground for Pests**: One significant way biodegradable substances affect the environment is by serving as breeding grounds for pests, particularly flies and mosquitoes. When organic waste accumulates, it creates an ideal environment for these insects to reproduce.

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