Why did the Chinese government consider it to be its responsibility to feed the country's people?

Relatively steep zone that is compared with the shelf that marks the boundary between continental crust and ocean crust.

Can someone me choose a broad topic and area of focus i am really doing this as a tally to see which one most people pick ok water pollution global warming endangered species atmosphere for the !

Concealer circle oh in which arc xy measures 16 pi centimeters the length of the radius of the circle is 32 cm what is the circumference of the circle