Physics
In very cold countries alcohol is used as a thermometric liquid because

Alcohol is a poor conductor of heat
It will not stick to the glass tube
Its freezing point is very low
Alcohol can be coloured for its level to be seen easily

ANSWER DOWNLOAD EXAMIANS APP

Physics
Thermohaline circulation is mainly due to

Warm water being added to the ocean due to industial waste
Winds causing circulation of ocean water
Cold, dense ocean water sinking and warmer water replacing it
Warmer, less dense water sinking in the ocean and cold water replacing it

ANSWER DOWNLOAD EXAMIANS APP