Environmental Science
Which of the following is false?

The succession that occurs in newly cooled lava is called primary succession
Rate of succession is faster in secondary succession
Quantity of biomass in a trophic level at a particular period is called as standing crop
Phytoplanktons are the pioneers in the aquatic ecosystem
The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.

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Environmental Science
What is the cause of the Exxon Valdez?

a ship which wrecked on the coast of India
none of these.
a plane which crashed and caused death of human life
Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.

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