Which blood group is the worlds Rarest Blood grup

AB-negative

Explanation:

In general, the rarest blood type is AB-negative and the most common is O-positive.

AB negative

...this has to be at least 20 characters...

thinking it would be physical characteristics

correct answer: false

while planning water activities, it is very important to consider the weather, because if we do not plan and are going for a surf, then it might be that the hurricane came and drown us or may carry us to long distance from where we can not come back. there are many reasons to take information about the weather when we are planning any water activities.

hence, the correct answer would be false.