My guess would definitely be false, public transportation seems like a much more reliable mean.
Carbonate rocks, like limestone <span><span>dolomite's, and chalk on earth</span> </span>
For the first question, I think the correct answer from the list of choices is option B. The composition of the lithosphere are solid iron and nickel. For the second question, the correct answer from the choices listed above is option A. The inner core of the earth solid, while the outer core is liquid because t<span>he pressure is greater in the inner core.</span>
<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.