2:2:0......,,,,...,.,,,,,,,....
Explanation:
Yams are produced through slips, which have been generated again from sprouts of mature yams, rather than seeds, as most other crops are. Split a yam in part and place one half in a bowl of cool water to develop sprouts.
Carbon dioxide and oxygen cannot pass through but move in and out
It has something to do with finding the aftershocks of 3 locations around it.
By the heat of the enegry
