Identify the type of plastic that can best be used to make electrical switches.
PVC
Polythene
PET
Bakelite
Which one of the following is a thermosetting plastic?
PET
Acrylic
Melamine
Polylactide
Synthetic plastics lead to :-
water pollution
air pollution
solid waste pollution
all the above
A group of the population that are capable of interbreeding is known as:
Species
Flora
Sal
Fauna
Re-establishment of forest on a land that was cleared for commercial/personal purpose is:
Reforestation
Deforestation
Forestation
Bi-forestation
___ is referred to as the variety of animals, plants and microbes generally found in an area.
Flora
Extinct species
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