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  • sadia islam safa
    sadia islam safa commented on Fatima Ahmed's photo.
    • February 28, 2022
  • sadia islam safa
    sadia islam safa liked Fatima Ahmed's photo.
    • February 28, 2022
  • Fatima Ahmed
    Fatima Ahmed: Hi Sadia, thanks for writing such a good essay on the 'Helpful Person". There were twists after twists till the end of the story, it was written like a story with full of suspense and so many things in your story is practical, unfortunate but true. So...  more
    • February 28, 2022
  • sadia islam safa
    sadia islam safa is now friends with Noshin Tasnia.
    • February 2, 2022
  • sadia islam safa
    sadia islam safa follow Noshin Tasnia.
    • February 2, 2022
  • Noshin Tasnia
    Noshin Tasnia: Your bkash number please
    • February 1, 2022
  • sadia islam safa
    sadia islam safa liked Fatima Ahmed's photo.
    • February 1, 2022
  • Fatima Ahmed
    Fatima Ahmed: Hi Sadia, thanks for writing on the English project called 'The Promise'. Your story is sad, but true! You conveyed this main problem of society through such an interesting story. So it was a good read. Keep up the good work. Here is a screenshot of...  more
    • January 30, 2022
  • sadia islam safa
    sadia islam safa commented on Fatima Ahmed's classified listing.
    The Journey of the Ladybug - $7 Science Quiz
    • November 14, 2021
    • Digbijoy Azad likes this.
    • sadia islam safa
      Tanveer Tausif Ratul To live in a closed eco-system,an animal/plant must need air & foods.While putting the ladybug in the container,some air entered into the container and was trapped inside.
      That air obviously contained some oxygen and CO2.Plants
      need CO2 to live.They...  more
      • November 14, 2021
    • sadia islam safa
      Zarin sadaf snigdha Before we answer this question we need to get enlightened on a biological term, symbiosis. Symbiosis means interaction between two dissimilar organism where both benefit from being with each other. When we are putting the ladybug and the plants inside...  more
      • November 14, 2021
    • sadia islam safa
      sadia islam safa In that container,an small ecosystem was created. Plants produce their own oxygen during photosynthesis and by using that, bug is still alive. Bugs breath through openings in the thorax and abdomen called spiracles. For plants,those gravels will hold...  more
      • November 14, 2021
    • sadia islam safa
      Shadman Chowdhury The ladybug and plants inside the closed container can still survive because of photosynthesis. Plants have a process called photosynthesis which requires CO2 and sunlight to produce carbohydrates, water and oxygen for the plants' growth. Those plants...  more
      • November 14, 2021
    • sadia islam safa
      Digbijoy Azad The ladybug is living in an ecosphere. However, the ladybug is not alone. Bacteria, protozoa, algae, smaller worms, and plants are also crucial members of the jar.
      Few things ladybug needs to live-
      -Oxygen.
      -Food...  more
      • November 14, 2021
  • sadia islam safa
    sadia islam safa liked Fatima Ahmed's photo.
    • October 27, 2021
  • Fatima Ahmed
    Fatima Ahmed: Sadia's writing on the latest English project. This is a different way of thinking. Here is the link to her full writing and a screenshot. Thanks to Sadia for thinking and writing about this story and correlating all the points together. Here is the...  more
    • October 26, 2021
  • sadia islam safa
    sadia islam safa liked Fatima Ahmed's photo.
    • October 11, 2021
  • Fatima Ahmed
    Fatima Ahmed: Sadia's story on our English writing project. The title of the story is fantastic and goes very well with the story. Thanks for participating in our website for the first time. Her full story can be read here and here is a screenshot: ...  more
    • October 11, 2021
  • sadia islam safa
    sadia islam safa is now friends with Fatima Ahmed.
    • October 4, 2021
  • sadia islam safa
    sadia islam safa has added a new profile photo.
    • October 3, 2021
  • sadia islam safa
    sadia islam safa follow Shahreen Tunazzina .
    • September 27, 2021
  • sadia islam safa
    sadia islam safa joined the group Coolinventor Contributors
    • September 27, 2021
  • sadia islam safa
    sadia islam safa follow Fatima Ahmed.
    • September 27, 2021
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    sadia islam safa has just signed up. Say hello!