Answer:
Eight
Explanation:
Out of a total of 12 landing attempts on mars from different space agencies, only eight have been successful.
They traded goods, They Farmed and made bricked house as well as making toys out of clay pottery
No.1 is true, the workforce legislation
I believe 10 is C. representative democracy and constitutional monarchy
9 is C, as the state are under the authority of the US, which is the supreme law of the land
hope this helps