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Question:
(i) List the different members of the marine mammalian groups.
(ii) Explain the term "stranding" and give some reasons why cetaceans strand?
(iii) Cetaceans, being predators at the top of the food chain, may be good indicators of the health of the oceans; however, their populations have declined considerably over the past decades. List some of the potential threats causing their decline.
(iv) What do you understand by the term "Echolocation"
(v) Give one difference between a marine turtle and a marine mammal.
(vi) List the species of marine turtles common in Mauritius waters.
(vi) What do we mean by "water quality"?
(viii) Why do we have Water -Quality Standards and Guidelines?
(ix) How is water quality measured?
Critical Angle: The particular angle of incidence at which angle of refraction becomes 90 is known as critical Angle and it is denoted by θc
The surface area of the Pacific Ocean is 166000000000000m 2 . Write this quantity in scientific notation. To write the amount in scientific notation move the decimal point to after
Mining of petroleum and Petroleum refining (1) Mining of petroleum: Petroleum deposits takes place at varying depth at different places ranging from 500 to 15000 feet. This is
Atoms or group of atoms which are electrically charged are known: (1) Anions (2) Cations (3) Ions (4) Atoms Ans:
Physical Properties of Malonic Acid (a) Malonic Acid is a white crystalline solid. (b) Malonic Acid's melting point is 135°C. (c) Malonic Acid is soluble in water and alc
Give example of Allotropy The element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a tetrahedral lattice arrangement, and graphite
C3N4
how to calculate the n factor for redox reaction involving complex scenarios and more than two exchanges..
positve deviation from beer''s law
solvent rates on the rate of reaction
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