Reforestation Benefits Explained

The question asks us to identify which statements best support the claim that reforestation projects are beneficial. The provided text outlines several key benefits of these projects:

• They restore degraded ecosystems.
• They increase biodiversity.
• They improve air quality.
• They enhance water retention.
• These efforts support long-term environmental sustainability.

Analyzing the Statements

Let's examine each statement mentioned in the options:

• Statement (a): Reforestation projects decrease biodiversity. This statement contradicts the information given in the question, which states that reforestation projects increase biodiversity. Therefore, this statement does not support the claim that reforestation is beneficial.
• Statement (b): Reforestation projects restore degraded ecosystems. This is explicitly mentioned in the question as a primary function and benefit of reforestation. Restoring ecosystems is a positive environmental outcome.
• Statement (c): Reforestation projects improve air quality. This is also directly stated in the question as a benefit of reforestation efforts. Improved air quality is crucial for environmental health and human well-being.
• Statement (d): Reforestation projects enhance water retention. The question clearly lists this as another positive impact of reforestation, contributing to better water management and mitigating drought effects.

Evaluating the Options

We need to find the option that includes all the statements which are true benefits of reforestation according to the question. Statements (b), (c), and (d) are all listed as benefits.

• Option 1 includes (a), which is incorrect.
• Option 2 includes (a), which is incorrect.
• Option 3 includes (b), (c), and (d). All three of these statements accurately reflect the benefits of reforestation as described in the question.
• Option 4 includes (a), which is incorrect.

Therefore, the statements that best support the claim that reforestation is beneficial are (b), (c), and (d), as they represent positive outcomes directly linked to these projects.