The fact that the jovians planets have high masses and hence generate powerful gravitational fields, but they have a low average densities indicates about their interiors <span>composed mainly of very light elements, such as H and He. The jovians planets compose of only very light elements like He and H.</span>
Niacin is also known as Vitamin B3. It is needed by the body because it produces the coenzymes NAD and NADP which are responsible for the body's metabolic reactions. If you are deficient of niacin, the body can synthesize it using tryptophan. Food sources of tryptophan include eggs, liver, peanut butter and dairy products.
Adenosine triphosphate (ATP) --> Mitochondria stores this as a form of energy supply to cells!
Answer:
It can exchange both matter and energy, exchange energy but not matter, Isolated systems can exchange neither energy nor matter
