Which age group shows the greatest difference between males and females?

Females are two years advance than males when they are just toddlers however males tend to balance out once they reach teenagers

Geothermic gradient is the rate of increasing temperature with respect to increasing the depth in the earths interior. away from tech tonic plates boundaries, it is about 25-40 c/km (72-87 degrees f/mi) of depth near the surface in most of the world.

1. antarctica2. saudi arabia