The correct option is D.
When one is talking about comparing, one is referring to noticing the distinctions or differences between two things. In the question given above, sound quality is the factor that is been compared. To compare sound quality of piano, two pianos are needed. The sound quality is compared by playing the same note on two different pianos at the same volume and then decide on the piano whose sound quality is better.
Answer:
A. The middle ear
Explanation:
In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.
Your answer would be "nervous-mesoderm".
Answer:
Repetition and replication are alike in that they are both instances of reiteration, or doing something again in the exact same way it was originally
Explanation:
The answer is nucleus.
EXPLANATION
Eukaryotic cells are larger than prokaryotic cells and have a “true” nucleus, membrane-bound organelles, and rod-shaped chromosomes.
The nucleus houses the cell’s DNA and directs the synthesis of proteins and ribosomes.
