How does the ozone layer help maintain ground-level air quality?

Venezuela’s economy relies most heavily on which of the followingvenezuela’s economy relies most heavily on which of the following? a. oil reserves in places such as the eastern llanos b. cattle ranching in the grasslands c. fertile farmland in the andean highlands d. coffee plantations in mountainous areas

Formidable obstacles of climate, terrain, and distance hinder exploitation of natural resources in russia. true false

Which arrow is closest to laguna madra bay? a. 1 b. 2 c. 3 d. 4