A common English set of units for expressing velocity is miles/hour. The SI unit for velocity is ________.
A) km/hr
B) km/s
C) m/hr
D) m/s
E) cm/s
Question 2
Which of the following correctly represents the second ionization of aluminum?
A) Al+ (g) + e- Al (g)
B) Al (g) (g) + e-
C) Al- (g) + e- Al2- (g)
D) Al+ (g) + e- Al2+ (g)
E) Al+ (g) Al2+ (g) + e-
Question 3
Which of the following statements about the role of liver enzymes is most correct?
A) Liver enzymes always change potential toxins to substances that can be easily excreted from the body.
B) Liver enzymes may change an inert compound to a more reactive and harmful molecule.
C) Liver enzymes can help the body to bring the four humors (blood, phlegm, black bile and yellow bile) back into a healthy balance.
D) Liver enzymes always convert potential toxins to substances that contain free radicals.
Juvenile Common House Gecko (H. frenatus)
Pulp - Common People
The most common drug used to facilitate date rape is alcohol, not GHB.
A functional renal unit.
The diameter of a semicircle is 4 miles. What is the semicircle's area?