<div itemscope itemtype="http://schema.org/WebPage"
id="public_content"> <span itemprop='name'>Neolithic Age</span>
by <a itemprop='author' href='/users/channel/balletisfun'>Amy
Chen</a> <img itemprop='image' src='http://www.mindmeister.com/e
xport/image/29435741?preview=true' alt='Mind Map: Neolithic Age'
/> <div itemprop='aggregateRating' itemscope
itemtype='http://schema.org/AggregateRating'> <span
itemprop='ratingValue'>0.0</span> stars - <span
itemprop='reviewCount'>0</span> reviews </div> <h1>Neolithic
Age</h1> <h2>Agricultural revolution</h2> <h3>People didn't hunt
as much as they used to</h3> <h3>Food production (growing
plants) became more common</h3> <p>Lots of new stone tools:
stone heads to work the soil, stone chips stuck in bone to cut
grass, and stone mortars to cut grain</p> <p>Fire used to clear
trees/bushes, so plants could be grown</p> <p>Shifting
cultivation - farmers grew plants on one section of land for
several years, then left that section fallow (inactive) to let
it regain fertility wh