When adding the values of the cells along the rows, columns, and diagonals, the result is always 75. Therefore, the number we are looking for is 75 – (20 + 10) = 45 (calculate by 3rd row)
The answer: C. 5 Explanation: Water from container number 1 flows to the right into container number 3 because the left valve is closed. Then, water from…
The answer: B. Iceland Explanation: B. Iceland – Correct Answer Clean air and pristine natural landscapes. Extremely low pollution levels. 100% renewable energy use (mainly geothermal and…