Questions

The population is the smallest unit of living organisms that can undergo evolution.

The reason why drunk people acts like stupids is when they drink, especially if they drink a lot, first their brain becomes impaired by such large quantities of alcohol that it cannot operate properly. So they cannot judge anything.

Hence, Alcohol first impairs your Judgement.

coulomb is unit of Electric Charge,

watt per meter per degree celcius is unit of Thermal Conductivity,

joule per kilogram per Kelvin is unit of Specific Heat capacity.

A rift valley is an elongated trough like feature bounded by faults. The term 'garben' is considered synonymous to rift valley.

The "aha!" experience is known as insight learning.

Any of the above given options can be a reason for the damage of the relationship of a couple or a two families or two friends etc...

Without trust relationship cannot be maintained, people not spending time with one another or without meeting the expectations of the opponents can also damage the relationship.