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Phases of Water
The state of water can be changed from gaseous to liquid and liquid to solid and vice versa by the addition or removal of heat energy. To convert one gram of liquid to ice requires the removal of 80 calories of heat energy. To convert one gram of water into steam requires an input of 540 calories of heat energy (Figure shown below). Change of liquid water into steam involves the breaking of hydrogen bonds which normally join the adjacent water molecule.
Accordingly, a very large amount of heat energy is needed for the evaporation of water. This property of water is extremely helpful in moderating the earth's temperature and making it suitable for origin and continuance of life.
Create a sketch of a petroleum trap. Write a history for how it came to the present (sketched) form following the rules of logical deduction.
What is Fermentation ? Fermentation is a process used by anaerobic organisms and certain cells of aerobic organisms, such as muscle cells deprived of oxygen, to obtain addition
DISORDERS OF LOWER RESPIRATORY TRACT: The lower respiratory tract infections tend to occur most frequently in young children who have not developed resistance to infectious
Explain in 100+ words Why/how did molecular biology change forsenic biology.
Vitamin- D deficiency Animals obtain vitamin D either through the diet or when skin is exposed to solar radiation. The deficiency of vitamin D is associated with reduced absor
Seed A seed is a mature ovule enclosing an embryonic plant, stored food material (in endosperm, persistent nucellus or embryo itself) and a seed coat formed by one or two inte
before stem cuttings are planted the cut end of the stem is often dipped in a hormone powder .what is the point of this?
The movement of the chromosome is called anaphase A, and the extension of the poles is termed anaphase B.The mechanism of these movements are discussed below. Chromosome move
What is Phylum Platyhelminthes - Flatworms ? This Class consists of the free-living flatworms, the best known of which is the Genus Planaria. Most of the species in this class
This method makes use of a common, but peculiar, group of DNA sequences known as minisatellites. High levels of variation in the numbers of these repeated units are used in "DNA fi
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