Answer:
Solar energy is created by nuclear fusion that takes place in the sun. Fusion occurs when protons of hydrogen atoms violently collide in the sun's core and fuse to create a helium atom. This process, known as a PP (proton-proton) chain reaction, emits an enormous amount of energy.1
Explanation:
wind energy, form of solar energy that is produced by the movement of air relative to Earth's surface. This form of energy is generated by the uneven heating of Earth's surface by the Sun and is modified by Earth's rotation and surface topography.
<span>The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores,known as continental shelves. It is less dense than the material of the Earth's mantle and thus "floats" on top of it.
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Answer:
Country A: Stage 2 with a high birth rate and a youthful population and is a developing country.
Country B: Stage 4 with a low birth rate and low death rate with an aging population. It is a developed country and there is a possible Stage 5.
Explanation:
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