Review 2nd partial LEVEL 9
Help
A gradual increase in the average temperature of Earth's atmosphere and its oceans is....
global warming
A ___________protects ocean life, such as coral reefs.
marine reserve
The burning of fossil fuels for electricity and heat produces _________________
greenhouse gases
Unlock this slideshow and over 2 million more with Baamboozle+
Try slideshows
Your experience on this site will be improved by allowing cookies.
Allow cookies