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Environmental Science

Environmental Science
_________ energy is the main driving force of the ecological system.

Hydro
Mechanical
Solar
Electric

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Environmental Science
The pyramid of number of a parasitic food chain in forest ecosystem is

sometimes inverted and sometimes upright
mixture of inverted and upright
always inverted
always upright

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Environmental Science
A Hawk that eats a frog is a

Secondary Consumer
Primary Consumer
Tertiary Consumer
Producer

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Environmental Science
Which of the following is the best indicator of SO2 pollution.

lichen
pteridophyte
algae
bryophyte

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Environmental Science
Non-lonizing radiations with specific biological effects are

Beta-rays
UV radiations
Gamma rays
X-rays

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Environmental Science
The Native Place of Redwood trees?

Australia
Thailand
California
Amazon

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