Answer:
The information presented in the book is credible.
Explanation:
"George's Secret Key to the Universe" is a children's book and features a group of children traveling through space and learning scientific concepts through portals and windows created by a highly technological and efficient computer. Although this plot is very fanciful and unrealistic, the book presents very credible scientific information, explaining in a childish but efficient way concepts like atoms, black holes, celestial bodies, planets, among others.
the correct answers are 1. ineffective; unanswerable, 2. ineffective; too broad, 3. ineffective; too narrow, 4. effective; clear and complex.
Delete usual. Custom and usual do not flow together and a custom is already a usual thing, just like tradition.
