The capital of Poland is Warsaw.
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun.
Humans will survive by looking for alternative water sources as the Sun becoming a red giant means rapid evaporation of the earth's ocean.
<h3>What is Evaporation?</h3>
This is referred as the type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
Water is important for our daily living and activities which is why alternative sources must be designed to tackle the rapid evaporation pattern.
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Geologist may determine the density of earth materials by measuring the mass of the object and its volume.
<h3>What is density ?</h3>
The mass of a substance per unit of volume is its density. Density is most frequently represented by the symbol, however Latin letter D may also be used. The formula for density is mass divided by volume
Earth's density is around 5.513 g/cm3 if you average the density throughout the entire globe. However, if you compare the density of the Earth by its layers, you'll notice that it rises continuously from the crust to the core.
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