Are most effective when information is kept to a minimum. a. charts b. visual aids c. photographs d. handouts

b. Visual aids

Explanation:

Visual aids are most effective when information is kept to a minimum. This is because visual aids are meant to be able to transmit a message in an easy, accessible way, that is much more intuitive and fast that a written message. If the visual aid contains too much information, it cannot work as efficiently as we want it to.

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."