Answer:The answer is B. Essential
Explanation: Essential means absolutely necessary; extremely important. So this could be used as a word to replace critical.
D) books can include more details because they are not limited to two hours in length.
This is the most logical answer, please mark brainliest if this helped :).
Because Iran is a corrupt country
Time Safari, Inc. guarantees only B. THE DINOSAURS.
This is a part of the story "A Sound of Thunder", where the character, Eckels, entered the office of Time Safari, Inc. and in a conversation with the company clerk, Eckels found out that the company guarantees nothing but encounters with dinosaurs.
