Like a Food chain, so something eats something to grow
They became stronger and more fortified with the use of tools. They could now chisel stone and construct shelters from stone.
Capitalism is not a system of government, but an economical system - so it can't be the correct answer.
The correct answer is" republic" - in a republic people don't exercise their power directly, but choose representatives and this is the case in the US (the representatives are for example the Congress and the President)
Answer:
D) none of the above
Explanation:
The first step in self-instruction involves specifying a goal and defining the behavior to be changed.
People have a habit of paying close attention to the lives and behavior of those around them, but they forget to self-assess, recognize their behavior, set their goals, and reflect on what points of their behavior should be changed so that the goals are achieved.
One of the points of self-instruction is self-awareness, and you can manage yourself only if you are aware of its potentials and limitations. When these points of your personality are recognized it will be possible to set the goals you want to achieve and what you must change in your behavior so that you can accomplish what you want.
* they invented the zero and the number system
* they invented the decimal system
* contributed to the valur of pi, alg, trig, calc, etc
many mathematical terms were originated in India