Which tool enabled the planting of large areas of land? the heo the plow the sickle the wheel

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds

stewards ice box was the purchase of alaska from russia and it was called that because people thought it was not a good idea to purchase alaska