Which of the following is true about charcoal?
a. it is made by mixing carbon and clay.
b. it has been a main medium used by japanese artists throughout history.
c. charcoal is difficult to work with and expensive.
d. there are two forms of charcoal that are popularly used.

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?