Discuss your opinions and attitude towards biodiversity and the health of ecosystems. Is biodiversity something that you personally value? Do you appreciate the benefits that biodiversity offers to humans, or is it something that you care little about? Do you wish that more people shared your perspective

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit

East asia is considered a less developed nation. true or false