Answer:
The planning of governments when it comes to running their countries is always based on demographics, and this is because the characteristics of the population are crucial for the planning and which direction it will go.
Explanation:
Every government makes plans about running the country based on the demographic characteristics of its population. The reason for this is that the characteristics of the population are crucial for developing and focusing on certain sectors or avoiding others. Each country in the world has its own unique population with unique characteristics and this brings in a lot of different policies by the different governments.
If a population is highly educated, the government can focus its planning on the territary and quaternary economic sectors, as it will primarily have a labor force that would be most efficient in these sectors. If a population is very young, uneducated, and with a low level of skills, the chances are that the government will focus the country toward agriculture and extraction of natural resources, thus the primary sector. If a population is old and it is projected to get older then the government would most probably adopt a policy to invite people from other countries to move in that will contribute to its socio-economic development.
In simple terms, chlorophyll makes a leaf look green because it reflects only green light.
Answering in a more detailed fashion, chlorophyll is a pigment. As a pigment it absorbs some wavelengths of visible light, (red, orange, yellow, green, blue, indigo, and violet are the colors of visible light), while reflecting others. In specific, chlorophyll absorbs all other colors of light but green, which it reflects. It is this reflection of green light that cause a leaf to appear green.
<span>An indicator species is an organism whose presence, absence or abundance reflects a specific environmental condition. Indicator species can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem. For example, plants or lichens sensitive to heavy metals or acids in precipitation may be indicators of air pollution. Indicator species can also reflect a unique set of environmental qualities or characteristics found in a specific place, such as a unique microclimate. </span>
Answer:
By moving heat from the equator toward the poles, ocean currents play an important role in controlling the climate. Ocean currents are also critically important to sea life. They carry nutrients and food to organisms that live permanently attached in one place, and carry reproductive cells and ocean life to new places
Explanation:
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