The oldest planet known to mankind is believed to be Earth, which formed around 4.5 billion years ago.
The intellect.
Life has been on this planet for over three billion years. Life on Earth will continue after mankind's reign is over.
Antarctica offers mankind a way -- through the Antarctic Treaty -- and place -- all of our world south of 60 degrees South Latitude -- to study the health of planet earth.
This Earth of Mankind was created in 1980.
No. Mathematics is an invention of mankind, which is much younger than the age of the earth. But Mars, the planet, is approximately the same age as the earth according to what is known about the creation of the solar system. =)
Mankind's habitat is the Earth, specifically the portion of the planet where human beings live and thrive. This includes various environments such as cities, towns, rural areas, and other regions where humans have settled and built communities.
People say that the first people were from Ethiopia, where mankind began. Afterwards, the people began spreading out over time.
It is because it gives us the knowledge to progress mankind but in a more civilised and sufficient way than our ways here on planet earth.
Earth is the home of mankind because we evolved here from earlier primates, which in turn evolved from other mammals in a chain that goes back to the first living cells on the planet. Having evolved here we are well-suited for conditions on Earth but nowhere else in the solar system. Perhaps, somewhere there is a planet or moon that could support human life, but we have not found it yet and will probably never reach it.
Apart from water, you need oxygen in the air to sustain life on earth. With these two indispensable features, both mankind,animals and botanical reserves sustain life on this planet.
To die.