Which best explains why sawdust burns more quickly than a block of wood of equal mass under the same conditions?

a. the molecules move more quickly in the sawdust than in the block of wood.

b. the pressure of oxygen is greater on the sawdust.

c. more molecules in the sawdust can collide with oxygen molecules.

d. oxygen is more concentrated near the sawdust than the block of wood.

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

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explanation:

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because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.

i don't know people like to fight everywhere rip.