Answer:
Gender ratio in the World
As of 2021, There are 3,970,238,390 or 3,970 million or 3.930 billion males in the world, representing 50.42% of the world population. The population of females in the world is estimated at 3,904,727,342 or 3,905 million or 3.905 billion, representing 49.58% of the world population.
Answer:
Healthy fingernails are smooth, without pits or grooves. They're uniform in color and consistency and free of spots or discoloration. Sometimes fingernails develop harmless vertical ridges that run from the cuticle to the tip of the nail. Vertical ridges tend to become more prominent with age.
I'm not 100% sure but I'm pretty sure it's height, good luck with it!