NCERT Solutions for Class 10 Science Chapter 15: Our Environment in-text

  #In-text Questions solutions-Q1- Why are some substances biodegradable and some non-biodegradable?Ans. Those wastes which can be degraded by biological or microbial actions are called biodegradable wastes e.g. domestic sewage, livestock wastes, municipal wastes, etc., while those wastes which are not acted upon by the microbes or acted upon very slowly, so cannot be decomposed, are called … Read more