Please answer this correctly please without making mistakes

Which statement would you identify as being correct? a. it is important to learn the etymology of every word in a text. b. it is important to understand the etymology of every word in a text. c. it is important to study the etymology of every word in a text. d. it is important to study the etymology of some words in a text.

Aspot in middle of the retina that only contains cones is called the

How do cheetah kitten silver manes them to survive? quote evidence from the teaxt to support your response and explain your answer completely