What does slr stand for in photography?

The camera still is bad even with the new iphone xr and especially in low light it is even worst because you can see the pixels more if its in low light. if all you apple customers want apple to fix this then lets fill there feedback with complaints about the

Answer these and get 40 points and brainliest

What is the local portion of the e-mail address below? [email protected] a.) @ b.) biz c.) gumchewer d.) twrigley