Could someone me explain these geography terms. urugently / asap ☺

The yellow river is also known as the huang he river? true or false

In the construction of new housing development, which factor of production can be categorized as land?

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.