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Primary succession takes much longer than secondary succession because it involves _________

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Primary succession takes much longer than secondary succession because it involves time for weathering of rock and development of the soil horizons.

User Stoyan
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Answer:

Rocks or lava

Step-by-step explanation:

In 1° succession there is no soil.. And the process of soil formation take very long time.

In 1° succession rocks or lava is present and lichens, soil erosion, wheathring of rocks helps in soil formation.

User Tekito
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