Earth

What are the reasons to save and not to save Earth?
Why do we need to save our earth? Saving our earth and its environment becomes highly important as it provide us food and water to sustain life. Our w...
What is the world's heaviest human-made structure?
What is the heaviest man-made structure on Earth? The Great Wall of China is the heaviest object ever built by humankind and likely always will be. Th...
For vehicle wiring the expression earth return means?
What is Earth return on a vehicle? The current flows out of the battery in one direction via its positive terminal and back to it via its negative one...
Who do you live on earth?
Do we live in Earth or on Earth? The Correct way to say it, is we are living on the earth , Because we are living on the Surface of this Planet, and i...