Respuesta :
Biologists backed up these ideas with sketches and models based on known animals. would be the correct choice. Because it a straight up fact.
The sentence from paragraph 4 that helps in making an explicit statement without offering any form of implicit suggestions is that "Biologists backed up the ideas with sketches and models based on known animals.
- An explicit statement refers to the statement that's expressed clearly and it's based on facts. An example of explicit statement is "fishes live in water". This is true and is therefore explicit.
- On the other hand, implicit statement isn't clearly stated. An example is "I'll eat if I meet my father at home". This isn't based on facts or clearly stated.
In conclusion, the correct option is C.
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