Answer:
Hydrogen in the core of the star is converted to helium by nuclear fusion. When the hydrogen supply in the core begins to run out, and the star is no longer generating heat by fusion, the core becomes unstable and contracts.
Answer:
They cause climate change by trapping heat, and they also contribute to respiratory disease from smog and air pollution.
Explanation:
Extreme weather, food supply disruptions, and increased wildfires are other effects of climate change caused by greenhouse gases.
A triangle with a base length of 4 in. and a height of 8 in.
A triangle with a base length of 2 in. and a height of 16 in.
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Answer:
Cuando la tasa de natalidad supera con creces la tasa de mortalidad, la población se dispara. Duplicar el tiempo es la cantidad de tiempo que tarda una cantidad en duplicarse y se utiliza en demografía para proyectar cambios futuros en el tamaño de la población.
Australia is smaller in land than Europe because Australia covered 7.686.850 km square and Europe is covered 9.940.000 km square
