By people sailing or drifting from southeast Asia
At the age of 30 they were allowed to live with their families, but continued to train until the age of 60 when they retired from military service. ... Because this did not happen until they were 18-20, they were more emotionally mature when they married and closer to the age of their husbands.
Are there any answers to choose from?
Explanation:
In the planet Earth , there are movement like the plate tectonics , which makes the surface of earth crust to move continuously , which is capable to generate lines of individual islands and volcanoes .
But these type of tectonic movements are not possible in Venus or Mars .
Thereby making the surface of earth different from that of planet Mars and Venus .