Free points i guess and talking

Organum was first developed by religious singers adding another melody directly above the chant and mirroring the chant line. true false

Ineed this to be answered fast and you i would appreciate it1. what benefits are there to using an online filter app? 2. of the apps you researched, which would you choose to edit your own photos? why would you choose this app over the other ones? 3. if you could choose between using the camera accessory filters that connect to your camera or the photo editing app filters, which would you choose and why?

Model releases are needed for stock images when a person is recognizable in them. true false