A. Red corpuscles
B. Hemoglobin
C. Plasma
D. Certain secretions
A. To save the cost of metal
B. To allow for the expansion during heat
C. To permit the shrinkage of metal
D. None of the above
A. Sliding to rolling
B. Rolling to sliding
C. Potential energy to kinetic energy
D. Dynamic to static
A. To prevent the dust from collecting on the ice
B. Because ice being cold cannot be lifted with bare hands
C. To provide necessary insulation from heat
D. None of the above
A. Hydrochloric acid
B. Nitric acid
C. Sulphuric acid
D. Carbonic acid
A. Malaria
B. Schistosomiasis
C. Typhoid fever
D. Yellow fever
A. Alkaline
B. Acidic
C. Neutral
D. None of these
A. Thyroid gland
B. Hypothalamus
C. Adrenals
D. Thymus