The lowest temperature ever recorded on the Earth is?
A. –89.2 °C
B. –86.2 °C
C. –83.2 °C
D. –92.2 °C
A. –89.2 °C
B. –86.2 °C
C. –83.2 °C
D. –92.2 °C
A. – 2O°C
B. – 10°C
C. + 10°C
D. + 20°C
A. Breadith of tree
B. Burning capacity
C. Heat radiation
D. Bearing capacity
A. Jonas Salk
B. Jaber Ibn Hayan
C. Selman Waksman
D. None of these
Jonas Salk and Albert Bruce Sabin. In the 1950s Salk and Sabin developed separate vaccines—one from killed virus and the other from live virus—to combat the dreaded disease polio. Jonas Salk became a national hero when he allayed the fear of polio with his vaccine, approved in 1955.
What is the temperature at the center of the Sun?
A. 6 million °C
B. 10 million °C
C. 15 million °C
D. 20 million °C
A. Annealing
B. Quenching
C. Tempering
D. Nitriding
Pedosphere is sum of_____________?
A. Organisms
B. Soil and water
C. Air
D. All of above