The more carbon dioxide, the more the atmosphere warms up due to the greenhouse effect.
Greenhouse effect- greenhouse gases trap the suns heat making the earth warmer
Answer: C
Explanation: Really hope I can help!
A C and D. It cannot be b because scientists have warned people in the past about volcanoes and their possibility for erupting. Earthquakes cannot be predicted however there are warning signs one can look for.
I think the best answer is B. Both are controversial since both projects are very destructive to the environment. Environmental issues rise during the Pacua Dam and the Intercoastal Highway Projects. The construction of these projects are said to destroy and damage ecosystem.