Everyday Science MCQs

5120 MCQs  (Page 8 of 512)

Approximate age of earth is ________?
A. 4.14 billion years
B. 4.64 billion years
C. 4.54 billion years
D. 4.34 billion years
CNG stands for?
A. Converted natural gas
B. Conduced natural gas
C. Conducted natural gas
D. Compressed natural gas
Who was the surgeon who pioneered antiseptic surgery in 1865?
A. Edward jenner
B. Joseph lister
C. Henry william
D. John sleeman