Answer:
Migration boosts the working-age population. Migrants arrive with skills and contribute to human capital development of receiving countries. Migrants also contribute to technological progress. Understanding these impacts is important if our societies are to usefully debate the role of migration
The Rhine River<span> begins at the Rheinwaldhorn Glacier in the Swiss Alps and flows north and east approximately 820 metres. This </span>river<span> is arguably the </span>most important<span>waterway in </span>Germany<span> and is linked by canals to other </span>major rivers<span> in Western Europe.</span>
Over fishing can affect the seas
Answer:
Fusion
Explanation:
Supernova Definition:
The supernova occurs after fusion begins to pile up iron in the high-mass star's core. Because iron fusion cannot release energy, the core cannot hold off the crush of gravity for long. In the instant that gravity overcomes degeneracy pressure, the core collapses and the star explodes.
Fun Fact!
Approximately one supernova occurs every second. Supernova happens more often than you might think: One occurs somewhere in the universe every second!
Tillage is a threat to the soil because it ruins the protective topsoil. hope it helps :)
