30. According to the passage, the author is very likely a__________ . (A) writer (B) scientist (C) biologist (D) traveler

34. According to the passage, which of the following makes Africanized bees produce less honey? (A) They work alone in searching for flowers. (B) They can’t carry nectar back to their hives. (C) They consume more food in warm weather. (D) They spend less time taking care of young bees.