Answer:
1 liter
Explanation:
100 milliliters = 0.10566882 quarts
500 milliliters = 0.52834411 quarts
1 liter = 1.05668821 quarts
10 liters = 10.5668821 quarts
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From this, we can see that 1 liter is closest to a quart.
hope this helps!