Hi @mahafuj.
- I think you were using wrong punctuation mark over and over again.
- The Wikimedia source's link should direct to the information about the author and license version, not only the image itself.
- You need to know how to arrange your image. The last part of the article seems crowded.
If you have any problem regarding STEM-related articles, you can join steemSTEM Discord Channel and we will be glad to assist you.
Thanks for your kind and instructive reply...
Your instruction have helped me to look my post more standard . Thanks again for your piece of information. I will be looking forward for your guidance in the future.
Thank you :)