C since in 2011, the South Sudanese voted on a referendum in which about 99% of the voters voted to separate from Sudan and to become an independent country.
Arrangement of clouds over certain areas
Answer:
Food grown is source of food to both people and animals
Source of income to people
Answer:HDI reflects long-term changes (e.g. life expectancy) and may not respond to recent short-term changes. Higher national wealth does not indicate welfare. ... However, HDI can highlight countries with similar GNI per capita but different levels of economic development.
Explanation:
Answer:
Explanation:
Oxygen is of no use to them, so they release it into the air. So there's a simple explanation for the Great Oxidation Event. It was the cyanobacteria, pumping out unwanted oxygen, that transformed Earth's atmosphere.