==> the object's mass; ==> how close you can get to its center.
<span>Direct election of senators to Congress occurred because of the 17th constitutional amendment.</span>
6x-2>16
6x>18 (add 2 to both sides)
x>3 (divide by 6)
Substinence farming is farming food that is just enough to live off of. You don't sell substinence crops.
Commercial farming is growing food to sustain you, and having enough left over to sell.
In both, you grow food and you keep some (or all) for yourself.
