Crystalline rocks are a natural source of which biogenetic element?

  • A
    Calcium
  • B
    Phosphorus
  • C
    Magnesium
  • D
    Potassium

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Similar Questions

Which of the following statements is false?

Generally,the food chain has how many trophic levels?

From the above given features,how many are associated with primary succession?
Features:
$1$. Occur on newly cooled lava
$2$. Faster succession
$3$. Progress to mesic condition
$4$. Occurs on flooded land
$5$. Slower succession
$6$. Changes in flora only

In a pond ecosystem,which organisms can occupy more than one trophic level?

The pioneer community established on a bare rock is:

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