Explanation:
When water freezes, water molecules form a crystalline structure maintained by hydrogen bonding. Solid water, or ice, is less dense than liquid water. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density
The best definition of recombinant DNA is the following: Recombinant DNA is the DNA that includes pieces from two different sources. It is the combination of genetic material , a process of <span>creating sequences that would not otherwise be found in the genome.</span>
Answer:
all are true
Explanation:
this is because middle ear start from the ear drum,,,and all those are associated with ear ossicles.