Detailed list of causes of Inability to concentrate. The list below shows some of the causes of Inability to concentrate mentioned in various sources: ADHD; Alzheimer's disease; Anxiety; Brain injury; Cannabis; more causes...Â» See full list of 30 causes of Inability to concentrate. How Common are these Causes of Inability to concentrate?
1 73 x 73 pixels -- This is the second largest size that your Twitter profile photo will be displayed at, and is displayed on your profile page above your bio. 2  48 x 48 pixels â These are the dimensions at which your profile photo will be most commonly seen â in your stream.
The dimensions I use are either 1280px x 720px (for higher quality) or 640px x 360px. However, the size limit is only 2 Mb, so for the most part the second option is the best. If you chose another size, YouTube might re size the image to make it fit, lowering the final quality. Celestia Â· 3 years ago.