Which of the following statements about government sanctioned activities to restore ecosystems is true?

a. government sanctioned activities to restore ecosystems are not effective.

b. government sanctioned activities to restore ecosystems completely counteract the negative effects of human activity.

c. government sanctioned activities have been effective in to restore ecosystems, but do not replace prevention efforts.

d. none of the above

The third alternative is correct (C).

The ecosystems of nature suffer from natural aspects, and from artificial aspects.

The artificial aspects are caused by the action of man and consist of pollution, deforestation and emission of gases.

Government-sanctioned activities serve as palliative measures, which contribute to preservation, but do not have a sufficient effect to restore ecosystems. Preservation efforts are key and must be associated with government measures.

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