Step-by-step explanation:
answer 30- supplying water to the plants at a specific interval
answer-31 there are five major groups of microorganisms they are : bacteria,fungi algae, protozoa,viruses.
answer-35 the process by which the young form of insects and some animals develops into adult.
answer - 37 sounds that can be here are called audible and the sound frequency that we cannot hear are called in audible sound
answer-34 the rain that contains the chemicals in it from the factories
answer-38 catract is a disease which causes blurrness in the eye lens
