You should spend about 20 minutes on this task. 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. You should write at least 150 words. https://ieltsonlinetests.com/sites/default/files/2020-12/2.jpg

The picture illustrates the changes in cutting tools between

Tool

A as a cutting

tool

1.4

million

years

ago and

Tool

B as a cutting

tool

0.8

million

years

ago. In general, these tools had some significant changes

due to

their appearance, But regarding the height,

tool

A and

tool

B stayed at the same size which is 5cm. 1.4

million

years

ago, the cutting

tool

seemed like a basic shape following the shape of the original stone.

Tool

A's front and back views seemed like rough textures, whilst the wide was

also

quite bold. The tip of

this

tool

looked not sharp enough. After 0.6

million

years

, the cutting

tool

has developed its appearance and its function has become better.

Tool

B’s texture looked smooth and its width was slimmer.

Moreover

, the back texture had a different texture from the front side, it could be following the shape of the user's hand, and the tip was

also

sharper, by

then

this

tool

was more comfortable and effective to use as a cutting

tool

.