Answer: the lower atmosphere and hydrosphere are bound to earth by the force of gravity
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The melting of the polar ice cap
<span>The resource curse, also known as the paradox of plenty, refers to the paradox
that countries with an abundance of natural resources (like fossil
fuels and certain minerals), tend to have less economic growth, less
democracy, and worse development outcomes than countries with fewer
natural resources.</span>
Sex ratio is the difference between males and females in a population. In China, sex ratio is an issue because of how favored males are. There is cases of femicide and girls are usually put up for adoption leading to an unbalanced sex ratio.