The seismic wave can tell the scientists about the earth's layers.<span />
Latitude 60 north, longitude 90 east, I’m not too sure tho that’s just what I think :)
<u>Answer:</u>
Subsistence agriculture is when the activity of growing food is not associated with economic gains and is only carried out in order to feed the cultivator himself and his family.
<u>Explanation:</u>
The word subsistence literally means support. The farming that is done by the farmers to support their survival is thus known as subsistence farming. In subsistence farming, the farmers choose to grow food that would only be enough to fulfill their own needs of survival.
There are no economic gains possible from subsistence agriculture as there is no surplus produce that can be traded to fetch economic gains.
Tsunamis are created when a maginutde of 5.3 or higher earthqauke occurs by a large body of water, the shaking of the ground causes the water to move or the vibration, therfore causing a tsunami . Also California would have a tsunami after a earthqauke if it was big enougth , and if it was close enough to the shore.