The original location of an earthquake is known as the epicenter.
2 - Human refuse to stop polluting.
All other three are attempting to attack the problem of pollution.
Biosynthesis is a multi-step, enzyme-catalyzed process where substratesare converted into more complex products in living organisms. Examples of these biosyntheticpathways include the production of lipid membrane components and nucleotides. Biosynthesis is usually synonymous with anabolism.