12. When can a theory be revised? if the general public does not understand the theory

when a new scientist begins working on it

after 10 years

if new knowledge expands and corrects our understanding

if new knowledge expands and corrects our understanding

Explanation:

However, science is always changing. As new evidence is uncovered, a theory may be revised or replaced by a more useful explanation.

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

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