Yes. A gemologist, however, will be able to detect that the diamond is not a natural diamond.
Probably not. Coal mines have not produced diamonds in the past.
Not in the environmental sense of these words. Diamond is an allotrope of carbon; diamonds may form with other trace minerals in the lattice, such as hydrogen or boron, but once formed and erupted to the earth's surface, nothing will physically pollute or contaminate the stone. However, emotionally, some diamond stones are already polluted or contaminated based on who owned them in the past.
The past tense of "scent" is "scented".
"They were doing an experiment" is past tense.
They slide past each other
What was the first space probe to fly past the moon?
[object Object]
Probably not. Coal mines have not produced diamonds in the past.
the Luna series...
Physchoanalysis
The Luna 16 was the first space probe to fly past the moon. The Lunokhod 1 was the first rover on the moon. It was sent to the Moon on November 10, 1970.
Trappers and Native Americans used the thermal springs in Yellowstone to cook food.
Thermal energy was used in direct form of heat to warming up household and cooking.
Neptune was the last planet to be visited by the space probe called Voyager II. It was launched by NASA and the probed flew past the planet in 1989.
Diamonds
The space probe "Voyager 2" flew past Neptune.
past present and future