The answer is A, because the 'filling' is the jelly like cytoplasm and the edge is the cell wall
Answer:
dear user
the current produced by the x ray tube during an exposure is called anode or tube current
Answer:
In order for a collision to be successful by resulting in a chemical reaction, A and B must collide with sufficient energy to break chemical bonds. ... This minimum energy with which molecules must be moving in order for a collision to result in a chemical reaction is known as the activation energy.
C. NH3 - organic nitrogen
