Activity 1 a) The most common formats for imatges are, JPEG/JFIF, EXIF, TIFF, BMP, PNG, PPM, PGM, PBM, PNM and HEIF b) JPG c) PNG https://www.flickr.com/photos/140659862@N08/38155994456/in/photolist-218HrPo-Bd8HNi-bpY1Zi-s2KYon-AnStP7-FSV8SY https://www.flickr.com/photos/141724615@N07/26174106192/in/photolist-218HrPo-Bd8HNi-bpY1Zi-s2KYon-AnStP7-FSV8SY https://es.slideshare.net/Judy1028/xmas-cats?qid=5457a7f5-d99d-4c4d-a182-8ed07f87635b&v=&b=&from_search=2