Answer: Gender; Sex
Explanation:
Often people confuse the words gender and sex and often use them together or interchangeably. Gender is the social and the psychological role which makes one either male or female. Then, sex is the the physical aspects of being male or female.
Sex are the biological differences that exist between the males and the females and this include genetic differences. Gender has to do with the characteristics possessed by the males and females.
A good advancement would be a portable radio. They have made life easier for people who are walking/hiking and are looking for something such as the weather for the night or the score for a sports game.
The Constitution's preservation of state governments is accomplished through <span>Federalism.</span>