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.
Figures give information on description of cutting tools used in Stone Age 1.4 million years ago and 0.8 million year ago respectively and provides data on size and shape of those tools.
In general, height of cutting tool, measured from top to center, remained same and changes came in thickness and sharpness of the tools.
By observing front view of the Tool B, we can summarize that cutting tool used 0.8 milion year ago had wider diameter than Tool A which was used 1.4 million years ago. Additionally, end of the tool became sharper with progression of time and this trend can be clearly observed by looking at side view and front view of Tool A and Tool B.
Moreover, Tool B which was used 0.8 million year ago had more number of edges than Tool B. This can be clearly observed by viewing back view of both the tools.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2024-03-27 | sunflower1190 | 56 | view |
| 2023-10-05 | imurminhanh | 89 | view |
| 2023-09-01 | jenifer Le | 78 | view |
| 2023-08-28 | Huyenlbg87 | 78 | view |
| 2023-04-28 | thtieen | view |
- The autonomy of any country is based on the strength of its borders if the number of illegal immigrants entering a country cannot be checked both its economy and national identity are endangered Because illegal immigrants pose such threats every effort mu 71
- The following appeared in a memo from the director of student housing at Buckingham College To serve the housing needs of our students Buckingham College should build a number of new dormitories Buckingham s enrollment is growing and based on current tren 78
- Mass media and the internet have caused people s attention spans to get shorter However the overall effect has been positive while people are less able to focus on one thing they more than make up for it with an enhanced ability to sort through large quan 75
- The following memorandum is from the business manager of Happy Pancake House restaurants Recently butter has been replaced by margarine in Happy Pancake House restaurants throughout the southwestern United States This change however has had little impact 60
- Some people believe that corporations have a responsibility to promote the well being of the societies and environments in which they operate Others believe that the only responsibility of corporations provided they operate within the law is to make as mu 60