LIFE ON OTHER PLANETS

42. will have improved 43. will have developed

VI. 42. True

43. True 44. False 45. False 46. False

VI. 44. E 45. H

46. G

47. B

48. C

49. A

50. D

51. F

VII.

VII. 52. I 53. F

54. D

55. H

56. A

57. G

58. C

59. J

60. B 61. E