Answer: option D) sound being created in music instruments
Explanation:
Resonance occurs when an object close in contact to a vibrating body begins to vibrate at the same frequency of the vibrating body.
Usually each object has a THRESHOLD frequency which must be equaled or exceeded before it is set into vibration.
Therefore, this is the PRINCIPLE behind MELODY i.e how sound is being created in music instruments.
Answer:
nope that not possible because O has no antigens which can donate any blood group but A donates to same blood group bcoz of same antigen.
The term allele describes the form of a gene that produces a specific trait such as eye color.
:)
If the central vacuole in plants cell loses its water then the plant will plasmolyse or deflate.
Answer:
Air masses take on the characteristics of their source region. Air masses over large areas of similar temperature and moisture content. If the source area is moist the air mass will be moist. In the case of the North Atlantic and the North Pacific you have large areas of cold water, so cold and moist. This produces air masses that are also cold (cool) and moist.