Answer:
the answer is a.
Explanation:
an inference is an educated guess. you use what you've learned and prior knowledge to make a guess.
From my understanding all you are doing is converting liters to grams. It says you have one leader of hydrogen peroxide. 1 liter equals 1000 grams. And if it is asking how many grams are in 1 liter hydrogen peroxide then the answer would be 1000 grams