Ruby-bearing sand is often 6 to 24 inches thick, and some mines reach a depth of 24 feet. That's a lot of Earth for not a lot of rubies.
We find must source better to get energy that hurt wont earth
I find it curious that the auto-categorization feature assigned this question the category of "low carb diets." If your weight was zero on the Earth, then you must be either a photon or a neutrino, in which case your weight would be zero everywhere.
No as long as there are 7 men on the line. so the uncovered tackle could catch a pass
no, not on this earth at least. There must be abiotic factors and decomposers
The Earth must be between the Sun and the Moon.
As Hutton made observations about the rocks in the area where he lived, he began to find clues that most changes on earth happen slowly, and that earth must therefore be very old.
As Hutton made observations about the rocks in the area where he lived, he began to find clues that most changes on earth happen slowly, and that earth must therefore be very old.
You wear a gown but your breast must be uncovered while taking the mammogram so you can put it in the machine.
Since the moon is revolving around the earth, it must be closer than the earth isto the sun for half the time and farther for the other half. So the moon's averagedistance from the sun must be pretty much the same as the earth's average distance.That's 149.6 million km.
I must get this rare artifact out of the country quickly!
On Earth, you weigh it. In space you must determine its inertia ... usually done by noting its orbit around another object.
It's distance from Earth and the star's actual brightness