Wind erosion is the main cause. And since it is the desert that wind can pick up tiny sand rock particles that slowly grind against the rock. Over time the erosion will give a jagged rock the smooth features as if it had been submerged in a river for the roughly same period of time.
Answer:
The strong nuclear force holds most ordinary matter together because it confines quarks into hadron particles such as the proton and neutron. Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future.
Explanation:
The strong nuclear force is responsible that protons in the nucleus of the atoms do not repeal each other.
Answer:
The information provided allows us to analyze France´s gender ratio (proportion of males and females), which is a key indicator of social development.
Explanation:
The population pyramid shows a bigger amount of males in lower age groups, and more women in the older age groups. This is usually because women tend to live longer than men, meaning that the sex ratio tends to decrease from male-biased to female-biased as long as women get the same nutritional and health care as men, which is what happens in developed countries. Meaning that France can be considered a developed country.
