Answer:
It is either C. or D. It is most likely D.
Explanation:
This is because the efficiency of solar power can vary based on the season or events. All in all, it cannot be completely reliable.
1.environmental health, and economic
Explanation:
The green space on top of the apartment provides an environmental, health and economic benefit.
- Environmentally, the green space will ensure that more oxygen is produce and the quality of air is improved.
- Plants will use up any excess carbon dioxide that might want to contribute to global warming.
- In terms of health, quality air is very important life.
- Breathing problems associated with polluted air is ameliorated.
- The higher rents is an economic advantage for the owner of the property.
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The Earth is layered because of the difference in the density and the pressure experienced by the elements. The denser layers tend to be closer to the center and the lighter layers float on the top. The differences in the pressure experienced by these layers also keeps them separated. The pressure experienced by the center of the Earth is greater than the upper layers, and hence, the core is in liquid form because the pressure is not enough for it to remain in the solid state.
This led to the layering of the Earth's surface.
