a chromosomes is the condensed visible form of chromatin
Answer:
element
Explanation:
we know that helium is a pure substance although helium atoms are sometimes mixed with their isotopes it is still the same element. since there is no other element combined with helium this makes it an element.
Deoxygenated Blood enters and leaves the right side of the heart then Oxygenated blood enters and leaves the left side of the heart
the nucleus represented by x is 56
Mixture between a liquid and particles of a solid
