Which one of the following is the best definition of gangrene?
A. Digestion of dead tissue by saprophytic bacteria.
B. Digestion of living tissue by saprophytic bacteria.
C. Gas production in dead tissue.
D. Necrosis of tissue caused by bacterial toxins.
E. Necrosis of tissue caused by ischaemia.

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

What is the compliment dna strand to the following sequence: ttgactaggcta

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body