Answer:
A type of democracy in which people elect their representatives directly.
Ancient Athenians used this type of democracy to elect their leaders when they gather at an assembly.
Answer:
Explanation:
Yes, earth provides all materials to the people to lead a reasonable life. The earth provides renewable as well as non-renewable resources, which can be useful for generation of thermal and electrical energy, source of food and raw materials required for the purpose of construction. But with the increase in the population worldwide, the resource utilization will increase and possibly the resources will be limited in future.
For example, the use of fossil fuels for the purpose of thermal and electrical energy generation and increase in the dependency worldwide is likely to limit the available concentration of fossil fuels on earth and these resources will not be available in future.
A. Physical properties are used to describe matter.
Physical characteristics include color, shape, and mass, among other descriptors. Chemical properties describe how matter changes its chemical composition. Since chemical changes cause the matter to have a different identity, the physical properties describe the type of matter.
Answer:
definition: The trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
Role People Have: On Earth, human activities are changing the natural greenhouse. over the last century the burning of fossil fuels like coal and oils has increased the concentration of atmospheric carbon dioxide. This happens becuase the coal or oil process combines carbon and oxygen in tbe air to make co2.
Explanation:
Im a professor in planetary geography.
