what is the difference between Shore-A Hardness & Barcol Hardness
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shore A is used for flexible material whereas shore B is used for rigid material
A "shore" is a place where a body of water ends - a beach. "sure" is an attitude of mind - being "sure" is the same a being "certain" - an absence of doubt.
which scientist said"a child picking pebbles on the sea-shore"
Long-shore currents don't form in places where waves hit the shore head-on because the sand is moving in a zigzag pattern, making it at an angle.
The continental shelf starts from the shore to a few miles out with less gradient of slope. The continental slope starts after shelf-break with a higher slope gradient, then follows the continental rise and abyssal-plain.