<span>The answer to the question stated above is letter A. hardness
Calcite will scratch gypsum. This is an example of the physical characteristics called hardness.
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</span>> Muscovite mica will peel off in flat sheets. This is an example of the physical characteristic called <span>cleavage.
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To find the average number of cell cultured per area, you have to divide the total cell count with the total area. The cultured cells contains 7 x 10^5 cells count in 50 ml of medium area. The number would be: 7 x 10^5 cells / 50ml= 0.14x 10^5 cells /ml= 1.4 x 10^4 cells/ml
The puppies heads are often to big to fit through their mothers birth canal. They may get birth defects like flat chests, if their face are wrinkly they get acne and eye problems, and they are prone to skeletal disorders like hip dysplasia.
Space satellites
Environmental
