Language arts
which of these statements is conditional?
a. we should listen to the debate before voting on class president.
b. shouldn't we support sheena instead of bryan for class president?
c. if we support bryan for class president, then we will have a great year.
d. if sheena were not in the race, bryan would have no serious competition

the correct answer for this question is:

it is system invented in 1872 that produced the first illusion of movement. basically it was a disk with a series of drawings around the edge, showing the same object in slightly different poses. when it was spun, it created the illusion of movement.

found this online : )

you didnt add any sort of groups or any options, you can edit it and then people can try to answer now its kinda hard.

hope this gives you a heads up why you arent answered. : d

have a great rest of your day!