a pillow
Chromosomes are tightly packed DNA. When DNA is not tightly packed it is called chromatin. Chromosomes only exist during mitosis or meiosis.
Gold.
The adverb is "tightly", as it describes how he packed the tent.
Atoms are most tightly packed in the solid phase.
Bricks have a higher density- the molecules are packed much more tightly.
a pillow
penguins have downy feathers so they can keep them selfs and there eggs warm and dry
it is packed 900 demerios
what is the measure if how tightly matter is packed into a givin volume of a substance
Closely packed ,tightly packed
atoms