Question

What is primary , secondary & tersary

Answer 1

Here's today's example: the terminology of carbon-containing functional groups: primary, secondary, tertiary, quaternary. ... Secondary carbons are attached to two other carbons. Tertiary carbons are attached to three other carbons. Finally, quaternary carbons are attached to four other carbons.

Answer 2

from primary structure we got the raw material by agriculture for example cotton .

manufacturing of that raw material is done in secondary sector for example making cotton clothes from cotton

tertiary sector is known as a transport sector as it help in transferring something from one place to other