Blood sugar is
A) fructose.
B) glucose.
C) lactose.
D) galactose.
Question 2
Which of the following is NOT a disadvantage of using coal as a fuel source?
A) SO2 is released and contributes to air pollution.
B) Coal is the least abundant of the fossil fuels.
C) Strip mining is devastating to the environment.
D) The cost of transporting coal to power plants or factories is high.
