The answer is; endoskeleton
An endoskeleton allows for smooth and steady growth unlike in an invertebrate with an exoskeleton that needs to shed their skeleton during irregular growth spurts. An endoskeleton is significant for leveraging (like an anchor) skeletal muscles hence enabling the animals to grow big and is able to support their own weight.
1. Once a dam is constructed, electricity can be produced at a constant rate.
<span>2. If electricity is not needed, the sluice gates can be shut, stopping electricity generation. The water can be saved for use another time when electricity demand is high. </span>
<span>3. Dams are designed to last many decades and so can contribute to the generation of electricity for many years / decades. </span>
<span>4. The lake that forms behind the dam can be used for water sports and leisure / pleasure activities. Often large dams become tourist attractions in their own right. </span><span> </span>
<span>5. The build up of water in the lake means that energy can be stored until needed, when the water is released to produce electricity.
6</span><span>. When in use, electricity produced by dam systems do not produce green house gases. They do not pollute the atmosphere </span>
<span>DISADVANATGES: </span>
<span>1. Dams are extremely expensive to build and must be built to a very high</span>
<span>2. The high cost of dam construction means that they must operate for many decades to become profitable. </span>
<span>3. The flooding of large areas of land means that the natural environment is destroyed. </span>
<span>4. People living in villages and towns that are in the valley to be flooded, must move out. This means that they lose their farms and businesses. In some countries, people are forcibly removed so that hydro-power schemes can go ahead. </span>
<span>5. Although modern planning and design of dams is good, in the past old dams have been known to be breached (the dam gives under the weight of water in the lake). This has led to deaths and flooding. </span>
<span>6. Dams built blocking the progress of a river in one country usually means that the water supply from the same river in the following country is out of their control. This can lead to serious problems between neighbouring countries. </span>
<span>7 Building a large dam alters the natural water table level. For example, the building of the Aswan Dam in Egypt has altered the level of the water table. This is slowly leading to damage of many of its ancient monuments as salts and destructive minerals are deposited in the stone work from ‘rising damp’ caused by the changing water table level.</span>
Given what we know, we can confirm that sunlight is white light, when it shines on a red object the red wavelength is reflected. The other colors are absorbed, so the only thing you see is the red light reflected back.
<h3>What is white light?</h3>
We use "white light" as a term to describe the combination of all colors of light in the spectrum. The sun emits all colors of light, when this light hits an object, most of the colors are absorbed. The color that does not get absorbed is reflected back and causes us to perceive the object in that color.
Therefore, we can confirm that sunlight is white light, when it shines on a red object the red wavelength is reflected. The other colors are absorbed, so the only thing you see is the red light reflected back.
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