Answer: Both are chemical changes.
Explanation:
Tarnish can be defined as the product of the chemical reaction that occurs between a metal and a no-metal. The metal which is exposed to the moisture or get oxidized develop a thin layer called tarnish. Copper, silver, brass, magnesium and other metals get tarnished.
The polish removes the chemical product of tarnishing and keeps the silver in silver spoon intact. This involves the chemical reaction.
Salt and vinegar are the ingredients of the chemical formulation which can remove the chemical product of the tarnishing from penny. This involves the chemical reaction.
Both polish and silver and vinegar can bring a chemical changes in the metal without introducing the physical change as they do not affect the physical structure of the metal.
Answer:
Ⓢⓦⓐⓗⓘⓛⓘ ⓦⓞⓤⓛⓓ ⓒⓐⓟⓣⓤⓡⓔ ⓣⓗⓔ ⓢⓣⓞⓡⓜⓦⓐⓣⓔⓡ ⓑⓔⓕⓞⓡⓔ ⓘⓣ ⓡⓤⓝⓢ ⓘⓝⓣⓞ ⓣⓗⓔ ⓡⓘⓥⓔⓡ ⓐⓝⓓ ⓞⓤⓣ ⓣⓞ ⓢⓔⓐ.Ⓣⓗⓔⓨ ⓣⓡⓐⓟ ⓘⓣ ⓘⓝ ⓣⓗⓔⓘⓡ ⓢⓞⓘⓛ ⓐⓝⓓ ⓟⓡⓐⓨ ⓣⓗⓐⓣ ⓘⓣ ⓦⓘⓛⓛ ⓡⓔⓜⓐⓘⓝ ⓛⓞⓝⓖ ⓔⓝⓞⓤⓖⓗ ⓣⓞ ⓖⓔⓣ ⓣⓗⓔⓘⓡ ⓒⓡⓞⓟⓢ ⓣⓗⓡⓞⓤⓖⓗ ⓣⓗⓔ ⓢⓔⓐⓢⓞⓝ..
Consensus is very vital in today's society since many issues or problems would arise that would effect different people having different perspective on things. It is important that a leader could build this to create harmony in the group and solving problems would be easier.
Everyone celebrates their birthday, usually with a cake and presents.
Answer: Family
Explanation:
Family is defined as the system in which cluster of people are linked togather in social form through blood-relation, adoption,marriage etc. These relations in family helps in supporting each other, sharing thoughts and emotions, powerful connection etc.
Families tend to provide emotional help,economical help and other health related consideration.Pattern of communication,behavior manner,attitude, emotional attachments are the part of every relation.
