Guanine - Cytosine
Thymine - Adenine
The particular sound and the the size of the room the sound is being made in
yo its d..............................................
We can reduce air pollution by using public transport instead of private vehicles when possible, this can reduce the gas released from private cars. We can reduce energy consumption by setting air conditioner to a suitable temperature such as 26°C or use fan instead. Also make sure we turn off all the electrical appliances when we leave a place.
Metallic bonding is the type of bonding for metallic elements. Ex.) Lead, Mercury, Tin, Cobalt, etc. (Check periodic Table)