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.
Answer:
Global trade can have many fundamental effects on countries around the world. International trade results in the rapid development of countries and infrastructure. In addition, global trade can introduce new products and materials to countries, increasing development. This exposes countries to a variety of goods and services that were previously unavailable in their domestic economies. Imports from other countries also tend to lower consumer prices, which has a positive effect on global economies. Overall, global trade is central to the economic development of countries worldwide and positively impacts quality of living.
HI is most noticeable during the summer and winter. The main cause of the urban heat island effect is from the modification of land surfaces. Waste heat generated by energy usage is a secondary contributor. As a population center grows, it tends to expand its area and increase its average temperature.
Nomadic travelers in central and east Asia were able to survive the harsh conditions of the tundras by adapting to the harsh environment that is engulfing the area or region. Also they keep moving with their hut or shelter and also may uses oxen for transportation and carrying logistics.
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Answer:
Salinity means the degree of dissolved salt content in water
Explanation:
In a world without global warming, water in seas or in oceans is salty or saline due to the influx or of rivers and various other sources that bring the water and other geomaterial from the landscapes like soils and various other clays and mud deposits. On an average the sea water consists of about 35 (ppt) part per thousand. mostly of Na and CL ions. More saline the water is more will be its density and less saline water is less is its density thus, freshwater has least density, as compared to the red sea and other sea with more than 37 ppt density. Rainfall is also an important factor in reducing the amount of saltiness.
