What a planet needs to sustain life

What a planet needs to sustain life ------------------------------------------------------------------------ "Venus is too hot, Mars is too cold, and Earth is just right," says planetary scientist Dave Brain.  

Relationship with Mutual common sense

Relationship with Mutual common sense ---------------------------------------------- Social activities and relationships is necessary for humans. Dating is when two people know each others nature and habits. This will fulfill by knowing each other more more.This is the  most common sense is two people trying out a relationship and exploring whether they are compatible by going out [...]