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It is that energy which lies, embedded within earth's crust. In some places heated water comes out through the surface of earth as hot spring or steams. This hot geothermal water or steam is used to run turbines for generation of electricity.
Advantages:
1. It is most versatile and least polluting renewable energy source.
2. Power generation level is higher than solar energy.
3. It is inexpensive.
Disadvantages:
1. Withdrawal of large amount of water or steam may reduce ground water table.
2. Hazardous gages like H2S, NH3, CO2 may be released and cause pollution.
3. Noise pollution results from drilling operations.
Q. Whcih group of individual animals and plants called Species? A group of individual plants and animals that are fundamentally alike is treated as a ,species. Species is a par
What is a community? What is the difference among the methods of community and population? A community is a set of populations of living beings that live in the similar region
Q. How do embryos of placental mammals excrete nitrogen wastes? Placental animals including embryos and excrete urea, In the adult placental mammal urea is excreted through the
Determine about the Colloblast cell? The unique sticky discharge cells found in the tentacles of ctenophorans. They are used to capture prey, and although cnidoblasts resemble
What is the concept of Mesonephric? Replaces the pronephros during development and is retained as functional kidney in adult fish and amphibians. Formed posterior to pronephros
A.N.S. (Autonimic Nervous System) Name given by Langley . Controled by Hypothelamus. Partially independent system. Controls involuntary actions as heart beat, breathing,
Q. What is the neurotransmitter of the neuromuscular junction? How does the nervous system trigger muscle contraction? The nervous cells that trigger the muscle contraction are
Explain Iron Balance and Regulation of Iron Absorption? The body has three unique mechanisms for maintaining iron balance. The first is the continuous reutilization of iron fro
Q. What is the evolutionary importance of pteridophytes? As the first pteridophytes, tracheophytes were also the first plants to extensively colonize the terrestrial environmen
What type of colour blindness is most common in men? Red-green colour blindness is the most regular form of colour blindness in men.
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