a) what is environmental pollution? (b) distinguish between biodegradable and non-biodegradable pollutants. (c) state two problems caused by the non-biodegradable waste that we generate in our daily life. (d) choose the biodegradable pollutants from the list : sewage, ddt, radioactive waste, agricultural waste.
Answers
a> environmental problem is one of the most serious of the serious problem and other life forms on our planet today. Environmental problem is defined as the contamination of the physical and biological components of the atmosphere system to such an extent that normal environmental processes are adversely affected.
b> Difference between biodegradeable and nonbiodegradeable compents are-
1. biodegradeable components break down easily but nonbiodegradeable components do not break.
2. biodegradable components cgange their form and substance over time and become harmless but nonbiodegradeable components remain unchanged over a long period of time.
c> two problems caused by nonbiodegradeable components are-
1. they clog the drain
2. death of cattles by ingestion of plastic as the toxic remains on the plants.
d> biodegradeable pollutants are-
radioactive waste and agricultural waste
Explanation:
The problems caused by non-biodegradable wastes are:
→ The cause biomagnification.
→ They increase pollution.
→ They make environment unclean.
→ They kill useful microorganisms.