Answer: just call them up
Explanation: If they're good friends then they'll have no problem chilling over the phone with you
Answer:
A scale is a set of musical notes ordered by fundamental frequency or pitch. A scale is usually ordered by increasing pitch and is called an ascending scale. Scales generally span a single octave. Scales help you understand music, how to solo, improvise, analyse chords, chord progressions and songs among many other aspects of music.
Explanation:
they involve fundamental concepts that are unavoidable by the thoughtful person.
The answer is (d.) choose only the visuals that are easily understood.
The main purpose of the visual aids is to help improve the understanding of the audience to the presentation. It clarifies and reinforce the key points of the topic. So it's important to choose the appropriate visual that could help the presentation easily understood.