Pangaea is important because it was all the continents in one giant land mass surrounded by water. When the plates shifted and broke apart we got the seven continents we know today. <span />
Answer:
The total force is most nearly 940,000lbf
Explanation:
Total force = specific weight × volume
Volume = length × width × depth = 10ft × 30ft × 50ft = 15,000ft^3
Total force = 62.4lbf/ft^3 × 15,000ft^3 = 936,000lbf which is most nearly 940,000lbf