Question

I want the format of advertisement, letter ( formal, and informal ) Article​

Answer 1

Answer:

sender address

Date

the manager

reciver address

subject -

sir /madam

then content

thank you

yours faithfully

name

Answer 2

Explanation:

Double-stranded DNA consists of two polynucleotides that are arranged such that the nitrogenous bases within one polynucleotide are attached to the nitrogenous bases within another polynucleotide by way of special chemical bonds called hydrogen bonds.