I think it is true because musicians do have to know their instrments and they have to know how to play it how to read the music or if you sing there is a lot more to it. and with athletes they have to have good strength and they have to understand whatever sport they play.
The answer you are looking for is called Serotonin. Please put this as the brainiest answer thank you and hope this helped.
Im gonna answer the ones i stufied in grade5 and back soo question 2 a food web question 4 they break down dead and decaying organic material question7 omnivores
ANSWER: The 6 Science Process Skills
Observing. This is the most basic skill in science. ...
Communicating. It is important to be able to share our experiences. ...
Classifying. After making observations it is important to notice similarities, differences, and group objects according to a purpose. ...
Inferring. ...
Measuring. ...
Predicting.