Which of the following is not an advantage of anaerobic sludge digestion?
A. Heavy metals are concentrated in the sludge.
B. Most of the biomass produced aerobically is used for methane production.
C. The remaining sludge can be dried easily before disposal.
D. All of these choices are correct.
Answer: A
You might also like to view...
Organisms that can grow without oxygen are called anaerobes and were the only organisms that could survive in Earth’s early atmosphere.
a. Very high temperatures b. Very dry places c. Very cold temperatures d. Harsh chemicals
How could telomerase inhibitors be used to treat cancer? What will be an ideal response?
The principle of segregation applies most specifically to events occurring in preparation of
a. offspring. b. zygotes. c. homologous chromosomes. d. gametes. e. loci.
Compare and contrast simple diffusion, osmosis, and facilitated diffusion. What will be an ideal response?