You buy some shoes for $25 you want to sell them and get more money than you spent ("Profit") if you sell them for $10, you wasted $15 and only gained $10 back so its not $10 or $25 so its $50
That's survival 101. If you lived near streams you were guaranteed water. Also near streams the soil was rich was a key factor of agriculture. This was a key factor of life. If you look in todays world, most of the world population is found near bodies of water. Hope I helped. :)
It was <span>Queen Elizabeth.</span>
The answer is "<span>concrete operational thinking".
The concrete operational stage starts around age seven and proceeds until roughly age eleven. Amid this time, kids pick up a superior comprehension of mental activities. Youngsters start considering solid occasions however experience issues understanding unique or theoretical ideas.
</span>