Answer:
2 the principle of causation.
(the post-Cartesian attempt to see everything as governed by simple laws of cause and effect)
1 the operation or relation of a cause and its effect.
(cause and effect play an important part in the universe)
A thesaurus is your best source option for alternate words with the same meaning.
Paragraph:
People nowadays are very particular about the diets they take. Some people consider eating more Genetically Modified Foods (GM) as they provide essential nutrients to the body, The GM foods have also been able to overcome the problem of malnutrition in many counties. As no cases of toxic effect of a GM food on humans have been reported, hence they remain safe for use and are also approved by the FDA.
A short outline for paragraph:
Are GM foods the next generation Foods? Results from studies and experiments have proved that GM foods can be consumed by humans as they show no harmful effects. The FDA has approved many GM foods.
