Why is it so difficult to study how the brain creates, how this system within our brains evolved and the possible capabilities?

2.the bottom number of a time signature tells a. what kind of note equals one beat. b. how many beats are in the measure. c. how many measures are in the song. d. the tempo of the song 3. in the time signature 24, the is equal to one beat. a. half noted b. quarter note c. eighth note d. dotted half note 4. in compound meters, the beat is evenly divided . a. three b. five c. four d. two 5. in cut time a(n) equal to one beat. a. quarter note b. eighth note c. dotted quarter note d. half note 6. which of the following is not a dynamic marking? a. mezzo forte b. diminuendo c. alla breve d. pianissimo 7. are rhythmically equivalent to a half note. a. quarter b. whole c. sixteenth d. eighth 8. are rhythmically equivalent to a dotted quarter note. a. sixteenth b. quarter c. half d. eighth 9. to the degree of complexity of one or more musical parts that occur simultaneously. a. meter b. texture c. improvisation d. dynamics 10. which of the following pairs are not synonyms? a. alla breve, cut time b. meter, time signature c. note, pitch d. crescendo diminuendo

What types of visual art mediums are heavily based on observation?

What do the olmec colossal heads represent?