Answer:
The process of burning something. Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel.
Explanation:
The answer is: [C]: "lithosphere".
__________________________________________________
Note: Since the term: "lithosphere" also has another specific meaning; the term, in this particular context, is often referred to as the "geosphere".
______________________________________________
Explanation:
A nerve cell or "neuron" is different because it has a more specialized structure of communication using synapses, axons, dendrites and chemicals that allow it to use an electrochemical communication method via neurotransmitters.
However, like "general cells" they too have membranes, nucleus etc
B - They have repeating steps
