C-All of the inner planets are smaller than outer planets.
-Steel jelly
Answer: If enough evidence accumulates to support a hypothesis, it moves to the next step — known as a theory — in the scientific method and becomes accepted as a valid explanation of a phenomenon.
C is correct.
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The answer is, 43 km/hr . Speed is,

So we will divide the given distance to the given time, so :
Answer:
The dead matter is the food for microbes which respires and forms carbon dioxide in to the atmosphere. The dead matter is the food for the organism such as saprophytes and decomposers. If the plant or the soil is burnt carbon dioxide is released into the air.As a result some of these particles become soil.
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