Both animal fats and plant oils are made up of glycerol and fatty acids. It is actually a carboxylic acid that contains a hydrocarbon chain and also a terminal carboxyl group. It can be either in saturated or unsaturated form. I hope that this answer has come to your help.
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:
I think it is Physical change
Answer: You, Digestive system, Stomach, Epithelial Tissue, Parietal cells.
Explanation:
Had to look for the options and here is my answer:
The development of pale skin as based on the study of genetics and mutation has been seen to be linked to the "<span>relatively recent European farming populations." This population had been a great influence for this change in their genes. Hope this helps.</span>
