Which note or notes are equal to two eighth notes

In areas where even the experts disagree; everyone has a right to his own opinion. i mean if answers aren’t given just like in lots of things; then it has to be just anyone’s opinion. is this dualism multiplicity relativism or commitment

In russian churches the number of domes usually matches the number of altars. but this church has only one altar dome, and 21 symbolic ones. what normal construction device does this church lack?

Which of the following is an indicator that scallops are done? a. they turn milky white. b. they become transculent. c. the shells open. d. they separate easily into segments.