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Sidana [21]
3 years ago
10

Energy can never be created or destroyed just blank or blank

Social Studies
2 answers:
Wittaler [7]3 years ago
8 0
The first law of thermodynamics is that energy can never be created or destroyed, it just changes form.
Veseljchak [2.6K]3 years ago
4 0
Just changed from form to another
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Which type of mobility is evident when higher-class couples have comparatively fewer children than lower class couples, thus mak
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In the given example it occurs both because of the fact that families in the higher class have fewer children and because some offsprings from a lower-class families are hardworking. The tendency that higher-class couples tend to have fewer children leads to the more available spaces in the entry-level labor force, which in turn creates more real opportunities for children from lower-class families. This in is itself becomes an extra motivator to work harder.

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