COPYRIGHT

link to a pdf:https://www.pearson.com/content/dam/one-dot-com/one-dot-com/english/SampleMaterials/Secondary/NextMove/NM_1_TB_Unit4.pdf

this type of copyright allows the user to use the content, but firts it is needed a permission

c: animals filetype:pdf free copyright

d: it is related to the content of our group work

photo without copyright:https://picjumbo.com/little-corn-snake/

the photo is free to use for the users, so it has a low restrcition for it´s use 

c: picjumbo animals 

d: related to the content of our group

article without copyright: https://news.un.org/es/story/2019/08/1461241

it has copyright, but it can be used without economic fines. You need to ask for permision to the creator.

c: animals onu