A. Western Pacific
B. North Atlantic
C. South Atlantic
D. Indian Ocean
A. Mercury
B. Alcohol
C. Water
D. None
An aneroid barometer is an instrument used for measuring pressure as a method that does not involve liquid. Invented in 1844 by French scientist Lucien Vidi, the aneroid barometer uses a small, flexible metal box called an aneroid cell (capsule), which is made from an alloy of beryllium and copper.
A. Reflection
B. Refraction
C. Interference
D. Illumination
The main constituent of hemoglobin is___________?
A. Chlorine
B. Iron
C. Calcium
D. None of these
A. December
B. February
C. May
D. None
A. Earth
B. Venus
C. Moon
D. Saturn
A. Physics in 1956 and 1972
B. Chemistry in 1958 and 1980
C. Physics in 1903 and Chemistry in 1911
D. Chemistry in 1954 and Peace in 1962