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Advantage of solar energy:
1. It is renewable: it produce comes from sun, so it is plentiful and will always be there as long we need it .
2. Solar energy is clean: it produces no waste material, harmful products.
3. Solar energy is cheap: it is free of cost. Only cost is the installation and purchase of a unit together, store and convert the solar energy for use.
Disadvantages of solar energy:
1. The initial installation cost is very high.
2. It does not work at night and on cloudy days.
3. A very large solar panel is needed to get a decent amount of power.
Describe the process of excitation-contraction coupling (ECC) in the heart. How do adrenaline, noradrenaline and acetylcholine alter heart rate and or force?
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EGG S OF EUTHERIA This egg is small & round. The dimeter of human egg is 0.1 mm. It has very little amount of yolk but they are also as alecithal egg. The egg is covered
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what is the model of tolerence mpdel of sucession
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