different between tracts vs fracts

tracts

tracts From the web:

• what tracts run through the pons
• what tracts pass through the pons
• tracts in pons
• what are the ascending tracts in the spinal cord

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fracts

fracts From the web:

• what fraction is equivalent to 1/3
• what fraction is equivalent to 2/3
• what fraction is equivalent to 1/2
• what fraction is equivalent to 3/4
• what fraction is equivalent to 1/4
• what fraction is equivalent to 6/8
• what fraction is equivalent to 4/8
• what fraction is equivalent to 4/6