Answer:
hope it helps..
Explanation:
'Motile' (or moving) cilia are found in the lungs, respiratory tract and middle ear. ... These cilia have a rhythmic waving or beating motion. They work, for instance, to keep the airways clear of mucus and dirt, allowing us to breathe easily and without irritation.
A decrease in the overall volume of gases namely hydrogen would prevent nuclear fusion in a nebula.
Answer:
An element
Explanation:
Elements are not able to be separated, but everything else can, whether that be physically or chemically.
