(a) “Improvements in our lifestyle have resulted in greater amounts of waste generation.” Give two examples to support the given statement. Suggest one change that we can incorporate in our lifestyle in order to reduce nonbiodegradable waste.
(b) The following organisms form a food chain. Insect, Hawk, Grass, Snake, Frog Which of these will have highest concentration of non-biodegradable chemicals? Name the phenomenon.
(a) i. Use of disposable items like paper plates, plastic cups in parties.
ii. Use of various coloured polythenes for gift wrappings.
Instead of polyethene we can use coloured papers for gift wrapping. We can reuse them to reduce waste.
(b) Grass → Insect→ Frog → Snake → Hawk
Hawk as it is placed at the top of the food chain. This process is called biomagnification.