Answer:
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Explanation:
The answer is letter b, persistence. This characteristic is often describe as a way of how long it will be useful, just like how long will the pesticides could be useful in killing the things that it is useful for in which is in consistent with the given statement above.