Question

give reason " land use patterns have changed over time "
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Answer 1

Answer:

In 1951-52, the net area sown was 119.4 million hectares; in 2006-07, it was more than 141 million hectares. ... Agricultural land use has recorded substantial changes; the area under wheat and rice has increased while that under pulses, millets and fodder has reduced

Explanation:

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Answer 2

Explanation:

Latent heat, energy absorbed or released by a substance during a change in its physical state (phase) that occurs without changing its temperature. The latent heat associated with melting a solid or freezing a liquid is called the heat of fusion; that associated with vaporizing a liquid or a solid or condensing a vapour is called the heat of vaporization. The latent heat is normally expressed as the amount of heat (in units of joules or calories) per mole or unit mass of the substance undergoing a change of state.