are you science expert? Quiz

Question Number 1 which is the third nearest planet to sun? A. mars B. mercury C. venus D. earth E. neptune F. satrun Question Number 2 which is the chemical formula for water? A. c B. 02c C. 020 D. 0 E. co2 F. c20 Question Number 3 which of these are muscles of heart? A. cardiac B. involuntary C. voluntary D. backbone E. kidney F. lungz Question Number 4 The motion of hands of clock are in ____________motion. A. periodic B. rectangle C. square D. circular E. rotational F. double Question Number 5 The brain is protected by __________. A. bone B. skull C. backbone D. arm bone E. leg bone F. wrist bone