<span>The amount of dissolved oxygen in the Missouri River would decrease if large amounts of chemical waste were dumped into it. It would decrease because the chemical waste would feed on the microorganisms and reduce the amount of oxygen in the river.</span>
They hiked more on the 2nd day because they are retracing their steps.
1 gallon = 3.78541 liters.
Multiply the number of gallons by 3.78541:
10 x 3.78541 = 37.8541 liters (round the answer as needed)
The correct answer is: [B]: " v₁ / t₁ = v₂ / t₂<span> " .
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