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i. Shadoof method of
irrigation.
ii. Ox- drawn plough led to
increased cultivated land.
iii. The use of iron tools
made farming more efficient.
iv. The establishment of
granaries to store grains.
v. Invention of writing
(hieroglyphics) enabled the
recording of agricultural
data.
vi. Invention of the calendar
made it possible to predict
floods.
(b)
i. Increased human
production led to the need
for regular food.
ii. Climatic change e.g.
drought threatened both
animals and plant life.
iii. Hunting and gathering
had become tiresome.
iv. Calamities such as bush
fires and floods destroyed
vegetation or drove away
wild animals.
v. Competition for food
between human beings and
animals forced man to look
for alternative way of
survival.
vi. Invention of tools
encouraged man to start
crop cultivation.
vii. Various crops planted
adapted to a variety of
environmental conditions
and spread to other areas
alexis sadro answered the question on October 8, 2017 at 19:20
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