Human impact on the environment is often more dramatic than the impact of most other living things because humans have a greater

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Several billion years ago which gas was the least prevailant in the atmosphere

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.