A. 6
B. 12
C. 24
D. 32 » Read More…
A. England
B. Germany
C. France
D. USA
A. Anemometer
B. Hygrometer
C. Barometer
D. None of these
A. Stroboscope
B. Helioscope
C. Solograph
D. None of these
A. Biro Brothers
B. Waterman Brothers
C. Bicc Brothers
D. Write Brothers
a) China and Britian
b) China and America
c) America and Russia
d) America and Germany