26.A) It is entertaining. C) It takes lots of time. B) It is a costly hobby. D) It requires training. 27.A) They can harm nearby plants.C) They fight each other for food. B) They may catch some disease.D) They may pollute the environment. 28.A) Place the food on warmer spots. C) Avoid using any contaminated food. B) Use prepared feed mixtures only. D) Continue the feeding till it gets warm.