Answer:
About an year.
Explanation:
If we could collect all of the energy of the sun that came to earth in one hour , the energy is enough for all of humanity's energy needs for one year. The humans used about 575 quadrillion Btu whereas each hour 430 quintillion Joules of energy is received from the sun by the Earth which is a huge quantity so by seeing the data we can conclude that about one hour of sun's energy is enough for about about one year for the whole world.
All layers are incredibly important. If we didn't, we would die very quickly and life would be inhabitable. The radiation from the son would kill us. The heat from the sun would dry up water and kill crops leaving us with no food/water.
Antarctica has the smallest population
Answer:
C. Europe wanted Africa's valuable resources
Explanation:
During this time, many European countries expanded their empires by aggressively establishing colonies in Africa so that they could exploit and export Africa's resources. Raw materials like rubber, timber, diamonds, and gold were found in Africa. Europeans also wanted to protect trade routes.
