The R-horizon of soil horizon consists of
unweathered bedrock
weathered parent material
plant litter at various levels of decomposition
None of the above
Additional Questions
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The propagation of radio signals is greatly influence by |
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The pyramidal peaks that form when several cirques chisel a mountain form three more sides are called |
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The process that involves the eroded material being dissolved and carried along in water as individual ions is called |
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The relative abundance of dissolved salts in seawater in descending order is as follows |
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The planets with no natural satellites (reported so far) are |
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The plants of which of the following crops are highly sensitive to frost? |
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The religion of Afghanistan is |
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The region that has a typical dispersed rural settlement pattern is the |
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The reaction between compounds and oxygen is called |
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The percentage of suns radiation reflected back into space is about |
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