Hydrology is the study of ___________?
Hydrology is the study of ___________?
A. Height
B. High temperature
C. High Mountain
D. Rainfall
A. Height
B. High temperature
C. High Mountain
D. Rainfall
Ischemia or ischaemia is a restriction in blood supply to tissues, causing a shortage of oxygen that is needed for cellular metabolism (to keep tissue alive). Ischemia is generally caused by problems with blood vessels, with resultant damage to or dysfunction of tissue.
A. Convection 
B. Radiation
C. Conduction
D. None of these
		A. 897 kg/m³
B. 997 kg/m³
C. 1000 kg/m³
D. 1025 kg/m³
The SI standard of time is based on_____________?
		A. the daily rotation of the earth
B. the frequency of light emitted by Kr86
C. the yearly revolution of the earth about the sun
D. a precision pendulum clock
E. none of these
A. Alpha rays
B. Beta rays
C. Gamma rays
D. None of these