34. The clouds surrounding Jupiter are mostly composed of
(A) ammonia
(B) helium
(C) hydrogen
(D) methane

30. The word “flamed” in line 5 is closest in meaning to (A) burned (B) divided (C) fallen (D) grown

31. The word “they” in line 6 refers to (A) nuclear reactions (B) giant planets (C) terrestrial (D) substances

32. According to the passage, hydrogen can become a metallic-like liquid when it is (A) extremely hot (B) combined with helium (C) similar atmospheres (D) metallic cores

33. According to the passage, some scientists believe Jupiter and Earth are similar in that they both have (A) solid surfaces (B) similar masses (C) similar atmospheres (D) metallic cores

35. It can be inferred from the passage that the appearance of alternating bands circling Jupiter is caused by (A) the Great Red Spot (B) heat from the Sun (C) the planet’s fast rotation (D) Storms from the planet’s Southern Hemisphere

36. The author uses the word “puzzling” in line 15 to suggest that the Great Red Spot is (A) the only spot of its kind (B) not well understood (C) among the largest of such spots (D) a problem for the planet’s continued existence

37. Paragraph 3 supports which of the following conclusions? (A) Jupiter gives off twice as much heat as the Sun. (B) Jupiter has a weaker gravitational force than the other planets. (C) Scientists believe that Jupiter was once a star. (D) Scientists might learn about the beginning of the Solar System by Studying Jupiter.

38. Why does the author mention primeval heat (lines 19-20) ? (A) To provide evidence that Jupiter is older than the Sun (B) To provide evidence that Jupiter is older than the other planets (C) To suggest a possible explanation for the number of satellites that Jupiter has (D) To suggest a possible source of the quantity of heat that Jupiter gives off

39. According to the passage, Jupiter’s most distant moon is (A) the least dense (B) the largest (C) warm on the surface (D) very rocky on the surface

40. Which of the following statements is supported by the passage? (A) If Jupiter had fewer satellites, it would be easier for scientists to study the planet itself. (B) If Jupiter had had more mass, it would have developed internal nuclear reactions. (C) If Jupiter had been smaller, it would have become a terrestrial planet. (D) if Jupiter were larger, it would give off much less heat