Answer:
A 0.4 g/cm³
Explanation:
The density of a substance, which is a cube in this case, can be calculated by using the formula:
Density = mass/volume
Where;
Density = g/cm³
Mass = grams
Volume = cm³
In this question, each side of the cube measures 3 cm. This means that the volume of the cube can be got by multiplying 3 × 3 × 3 = 27cm³. Hence, volume of the cube = 27cm³.
Mass of the cube = 12g
Density = 12/27
Density = 0.4444
Approximately, density = 0.4 g/cm³
Meningitis is the inflammation of the meninges covering the brain and spinal cord. One of the physical symptom is Kernig's sign. It is done by letting the person to lie flat and flexing the thigh and hip to 90 degrees. If the leg cannot be straighten then it means it is a neurologic positive sign for Meningitis.
That flow in all directions!!!
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