Answer:
peer-reviewed journal.
Explanation:
When conducting scientific research, it is essential to pay attention to the source where the research will be carried out, so the most reliable option is to search in peer review journals, which are scientific journals reviewed by specialists on a given subject.
Therefore, this research source will be more reliable, since this article was reviewed by a council that guaranteed the necessary reliability for publication.
It is not advisable to use a wiki, internet or news flash for scientific research purposes, as these sources have not been reviewed and may have been written by anyone without scientific precedents.
Answer: You mean Frequency? Frequency, in physics, the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion.
Explanation:
For example on number 1 the time signature is 4/4 , that means there has to be 4 beats in between each bar line. They have already put in a half note which is equal to 2 beats. You can either put another half note or two quarter notes.
Remember
Whole Note = 4 beats
Quarter Note = 1 beat
Half Note = 2 beats
Dotted Half Note = 3 beats
