What is the Molecular Formula for Glucose _______ ?
What is the Molecular Formula for Glucose _______ ?
A. C4H10O6
B. C5H11O6
C. C6H12O6
D. S6H12O6
A. C4H10O6
B. C5H11O6
C. C6H12O6
D. S6H12O6
A. The earth’s atmosphere
B. Interstellar dust
C. both A and B
D. None of these
One Astronomical unit is equal to how much Km in whole numbers?
A. 160 million km
B. 140 million km
C. 150 million km
D. 130 million km
Elements are made of _________?
A. Atoms
B. Molecules
C. H2O
D. Compounds
A. 26
B. 27
C. 28
D. 30
A. Audiosonic
B. Infrasonic
C. Ultrasonic
D. Supersonic
Sounds with frequencies below 20 hertz are called infrasound. Infrasound is too low-pitched for humans to hear. Sounds with frequencies above 20,000 hertz are called ultrasound.