<span>The wall of the alimentary canal is composed of four basic tissue layers: mucosa, submucosa, muscularis, and serosa.</span>
The statement, Performance training for endurance, speed, muscular strength and endurance is generalizable and not specific to the individual for improved performance is true.
- Athletes that possess endurance are able to perform a specific physical activity for an extended amount of time without being worn out.
- The body will progressively be able to handle lengthier workout routines thanks to endurance training, which will help gain stamina.
- Weight loss, enhanced strength, improved health, and general lifestyle improvement are long-lasting advantages.
- Exercise that raises respiration and heart rate, such as jogging, swimming, biking, and jumping rope, is referred to as endurance exercise.
- The heart, lungs, and circulatory system stay healthy with endurance exercise, which also boosts a persons general fitness.
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The correct answer would be D- lunar.
Option D is the only <span>source of energy that in not currently used to produce electricity in our homes. Researchers are creating lunar panels (similar to solar panels) but there are </span>obstacles to large-scale energy production.
The moon can generate electricity, but for now it's just not accessible.
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Answer</h2>
Three types of covalent bonds, they can form
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Explanation</h2>
Carbon has four valence electrons in the outer shell but it forms three covalent bonds with another carbon atom. i.e Single bond, double bond and triple bond.
- The single bond is called Alkanes e.g. Methane, Propane etc.
- Double bonds are called alkenes e.g. Ethylene, Propylene etc.
- Triple bonds are called alkynes e.g. Ethyne, Propyne, Butyne etc.
Answer:
Carbon is an element that is essential to all life on Earth. Carbon makes up the fats and carbohydrates of our food and is part of the molecules, like DNA and protein, that make up our bodies. Carbon, in the form of carbon dioxide, is even a part of the air we breathe. It is also stored in places like the ocean, rocks, fossil fuels, and plants.
The carbon cycle describes the flow of carbon between each of these places. For example, carbon continually flows in and out of the atmosphere and also living things. As plants photosynthesize, they absorb carbon dioxide from the atmosphere. When plants die, the carbon goes into the soil, and microbes can release the carbon back into the atmosphere through decomposition.
Forests are typically carbon sinks, places that absorb more carbon than they release. They continually take carbon out of the atmosphere through the process of photosynthesis. The ocean is another example of a carbon sink, absorbing a large amount of carbon dioxide from the atmosphere.
Some processes release more carbon dioxide into the atmosphere than they absorb. Any process that uses fossil fuels—such as burning coal to make electricity—releases a lot of carbon into the atmosphere. Raising cattle for food also releases a lot of carbon into the atmosphere. These processes that release carbon into the atmosphere are known as carbon sources.
Ideally, the carbon cycle would keep Earth’s carbon concentrations in balance, moving the carbon from place to place and keeping atmospheric carbon dioxide levels steady. However, the carbon cycle is changing because of human activity. People are releasing more carbon into the atmosphere by using fossil fuels and maintaining large livestock operations. Deforestation is depleting Earth’s supply of carbon sinks. As a result, the amount of carbon in the atmosphere is rising.
Explanation:
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