If nasa sends a space probe into orbit around mars, and that probe transmits images of the martian surface back to earth, we could say that?

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )

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.

Is a state government creates a new tax to fund schools a example of checks and balances