Answer:
all
Explanation:
Because they are so close, than can collide very quickly, i.e. it takes less time for a molecule of the solid to 'bump' into its neighborough. Solids are packed together tighter than liquids and gases, hence sound travels fastest in solids. The distances in liquids are shorter than in gases, but longer than in solids
hope this helps
D) Fusion. Fusion is the proses of two nuclei joining.
I believe it is biodegradable.
Human Gene Therapy.
(It is all of these)
A. includes the insertion of genetic material into human cells for the treatment of a genetic disease.
B. Has been used for treatment of children who have severe combined immunodeficiency.
C. Has been used in a trial to treat familial hypercholesterolemia.
Can be injected by IV, shots that go into the vein to carry the gene all the way around the human body system, and possibly pills (possibly).
