Felana's understanding that the rattle she is holding makes the sound because she is shaking it shows that felana

is utilizing secondary circular reactions

Explanation: Secondary circular reactions are the reaction that defines the sub-stage of the baby whose age is in the range of 4 months- 8 months . The child tends to repeat the activity with some action or object that makes them feel pleasurable and gain the response from surroundings.

According to the situation mentioned in the question, Felena is also indulging in the activity of using the secondary circular reactions from rattle which makes understand that the rattling sound is coming from it.

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d

answer; albert bandura;