Answer:

there is an option of link like this and then u can post a picture from gallery here

Answer:

Step 1 [Pic 1]--> Click on the '+' button as shown in the picture.

Step 2 [Pic 2]-->There you can see a pin like button click on that and Brainly will ask for your permission to access your gallery.

Step 3-->Just choose the photos you want to upload with the answer and then you're done!

[Note: You can attach upto max. 5 pictures in one answer. ]

Hope this Helps :)