What is the effect of flattening layers in image editing? you can reduce file size by flattening layers. this operation mergers all ___ layers into the background and discards hidden layers.
all ___ areas that remain are filled with white.

first blank
a. black
b. colored
c. transparent

second blank
a. dark
b. visible
c. bright

Aresearcher wants to do a web-based survey of college students to collect information about their sexual behavior and drug use. direct identifiers will not be collected; however, ip addresses may be present in the data set. risk of harm should be evaluated by: solely by the magnitude or severity of expected harm. both the magnitude (or severity) and the probability (or likelihood) of harm. solely by the probability of expected harm. neither the magnitude or probability of harm.