In a typical H-R diagram, stars are graphed by these two characteristics:
A. Temperature and luminosity
B. Luminosity and distance
C. Distance and temperature
D. Size and distance
A. Earth
B. Venus
C. Moon
D. Saturn
A. Hygrometer
B. Hydrometer
C. Ammeter
D. Voltmeter
A. 2mm
B. 2cm
C. 3mm
D. 3cm
The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________?
A. Diatonic scale
B. Fahrenheit Scale
C. Richter scale
D. Celsius Scale
E. None of these
A. Leukocytes
B. Lymphocytes
C. Nucleotides
D. Erythrocytes
A. Nicolaus Copernicus
B. Johannes Kepler
C. Isaac Newton
D. Galile