When a part of the body is injured, substances called ________ are released.
A) nitrogen oxides
B) chlorofluorocarbons
C) prostaglandins
D) aspirins
E) pain relievers
Correct Answer:
Verified
Q14: Which of the following is a chemical?
A)light
B)sound
C)sugar
D)noise
E)heat
Q15: Titanium dioxide is a chemical used in
Q16: Water, H2O, is an example of a(n)
A)chemical.
B)electric
Q17: In the number 12.345,the 3 is in
Q18: For the equation 4x + 2 =
Q20: Which of the following is NOT a
Q21: Written in scientific notation, 8300 is
A)
Q22: Written in scientific notation, 0.000 004 03
Q23: Express using scientific notation: 5 207 000
Q24: Express using scientific notation: 351 000 000
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