Answer: Petroleum exports
Explanation:
Saudi Arabia's oil exports are a major economic branch. Almost all economic income in the country (about 90%) is based on oil exports. Oil in Saudi Arabia was discovered in 1932, and since then, it has become a major economic factor in the country. Before the discovery of oil, Saudi Arabia was a poor country. The main activities were livestock and agriculture. Before discovering oil, Saudi Arabia based its economy on religious tourism, which still plays an important role in the country's economy.
Answer:
Research is practical and realistic because it is based on the scientific method, which demands that research should be start with an hypothesis, that should be falsifiable (meaning that it can be proven right or wrong), followed by a scientific study in which the hypothesis is tested.
If the hypothesis is proven to be true, it does not mean that is conclusions will hold true for eternity, they could be proven wrong by further studies.
For this reason, research is both practica, because it is based on a practical method: the scientific method, and realistic, because it has a limited scope, and limited, verifiable understanding of reality, and can be proven wrong with other studies.
Carl Jung would call Ingrid a introvert. The Introvert person do not like company of other people-she feels lonely and lost in bigger group of people. Introverts do not wasting they energy to impress other people and on social activities. Introvert is happiest when he is alone or in small intimate group.
Answer: Embryonic period
Explanation: During the Embryonic period, the three germ layers form the tissues and main organ systems. Infact the body becomes recognizably human.
It is between weeks 3-8 of development.
It is during this period of development that the conceptus is most likely to develop a major congenital malformation.
