Answer:
Water moves through the turbines
An economic system combining private and public enterprise.
A child is in which room full of what ?
<span>This is an example of which type of
"Helpless" orientation.</span>
Usually we find various
kinds of motivations from among them there is one called “mastery motivation”
which further is divided into three parts as mastery orientation, helpless
orientation, and performance orientation. In helpless orientation when an
individual feels something as difficult they doubt their own abilities and sometimes
leave the task.
The people of the Indus Valley civilization had a writing system that no one has been able to decipher, though many have tried. It's one of the reasons that it is one of the least known about ancient civilizations. So I would say that the indecipherable writing system is the greatest mystery.