Answer:
8.327906
Explanation:
1 gallon [US, liquid] to litres = 3.78541 litres
5 gallon [US, liquid] to litres = 18.92706 litres
10 gallon [US, liquid] to litres = 37.85412 litres
15 gallon [US, liquid] to litres = 56.78118 litres
20 gallon [US, liquid] to litres = 75.70824 litres
25 gallon [US, liquid] to litres = 94.6353 litres
30 gallon [US, liquid] to litres = 113.56235 litres
40 gallon [US, liquid] to litres = 151.41647 litres
50 gallon [US, liquid] to litres = 189.27059 litres
we could tell that 2.2 gallons are in between 8.327906 litres
Rigid skeletons are formed from materials including chitin (in arthropods), calcium compounds such as calcium carbonate (in stony corals and mollusks) and silicate (for diatoms and radiolarians).
Answer:
I think the answer is B, Rivers. Mountain ranges don't really help the environment much as can mostly only change the climate.
