The diagram below shows the development of cutting tools in the Stone Age. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The chart

compare

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compares

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the difference

of

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in

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the cutting tools between 1.4

millions

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million

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and 0.8

miliion

Correct your spelling

million

year

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years

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ago.

Overall

, the size of

cutting

Correct article usage

the cutting

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remained

unchange

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unchanged

while

the size of the cutter became larger.

On the other hand

, the cutter became thinner significantly. In detail,

both

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in both

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front

Correct article usage

the front

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view and the back view, the

tool

in

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apply

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0.8

million

year

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years

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ago was huger than that in 1.4

million

years ago. In

term

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terms

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of cutting size, both of the

tools

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tool's

tools'

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instrument

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instruments

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could chop the thing in 5cm. When we look at the side view of the tools, we can observe that

tool

B is much thinner than

tool

A. The shape of the cutter

in

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apply

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0.8

million

year

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years

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ago showed more dimension than that in 1.4

million

years ago.

Furthermore

,

tool

B was in lighter grey colour than

tool

A.