Gradient is the steepness of a slope.
Yes (Genesis ch.10).
who lived during stone age
Allies and Greek leaders in the Persian War, adversaries leadingthe opposing sides in the Peloponnesian War.
it is the world’s first civilisation dating back to 5000 bc.they used bronze and copper for the first time.they had deep knowledge in architecture,civil enginnering,metals,trade and agriculture.they built the world’s first planned cities(harappa and mohenjadro),they built world’s first drainage system,roads,houses READ MORE
on the ground
The Roman army.
Most of the Persain army which had been busily sacking Athens nearby, led by their commander King Xerxes I.