What is the main topic of the passa

What is the main topic of the passage?
(A) Weather variations in the desert
(B) Adaptations of desert animals
(C) Diseased of desert animals
(D) Human use of desert animals.

30. According to the passage, why is light coloring an advantage to large desert animals?
(A) It helps them hide from predators.
(B) It does not absorb sunlight as much as dark colors.
(C) It helps them see their young at night
(D) It keeps them cool at night.

31. The word "maintaining" in line 4 is closest in meaning to
(A) measuring
(B) inheriting
(C) preserving
(D) delaying

32. The author uses of Grant's gazelle as an example of
(A) an animal with a low average temperature
(B) an animal that is not as well adapted as the camel
(C) a desert animal that can withstand high body temperatures
(D) a desert animal with a constant body temperature

33. When is the internal temperature of a large desert mammal lower?
(A) Just before sunrise
(B) In the middle of the day
(C) Just after sunset
(D) Just after drinking

34. The word "tolerate" in line 13 is closest in meaning to
(A) endure
(B) replace
(C) compensate
(D) reduce

35. What causes water intoxication?
(A) Drinking too much water very quickly
(B) Drinking polluted water
(C) Bacteria in water
(D) Lack of water.

36. What does the author imply about desert-adapted mammals?
(A) They do not need to eat much food.
(B) They can eat large quantities quickly
(C) They easily lose their appetites.
(D) They can travel long distances looking for food.

37. Why does the author mention humans in the second paragraph?
(A) To show how they use camels.
(B) To contrast them to desert mammals.
(C) To give instructions about desert survival.
(D) To show how they have adapted to desert life.

38. The word "obtain" in line 23 is closest in meaning to
(A) digest
(B) carry
(C) save
(D) get

39. Which of the following is NOT mentioned as an adaptation of large desert animals?
(A) Variation in body temperatures
(B) Eating while dehydrated
(C) Drinking water quickly
(D) Being active at night