The oxygen and hydrogen atoms in a water molecule are held together by a covalent bond. This means that the electrons from the oxygen and hydrogens go around all three atoms instead of just the atom they started with. To form a covalent bond, the oxygen and hydrogen atoms share several electrons.
<span>Meiosis reduces chromosome number so that sex cells (eggs and sperm) have a half set of chromosomes–one homolog of each pair. This is the haploid number. CONGRATULATIONS! YOU'RE SO SMART!</span>
Answer: Water pollution detection is of great importance in water conservation. ... When there is no pollution, , and if the distribution of is normal,
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