5.1.1 Correct the SINGLE error in EACH of the following sentences. Write down ONLY the question numbers and the words you have corrected. (a) There is beekeepers who keep the critical bee populations healthy. (1) (b) They have managed swarms to prevent the number of bees from diclining. (1) (c) Keeping swarms is an hobby that requires only a small investment of time and money. (1) (d) It can be harvested twice on one season. (1) ​