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.
To block the formation of cancerous tumors.
Most special operations forces are "regionally" <span>oriented.
This helps those forces to enact better functionality as these personnel already have all the information and acquaintance for the region in which they are appointed. Cultural awareness and language capabilities come handy while pursuing a case in the specific area.</span>
Cohort differences can be described as the major explanation offered to account for the differences in the pattern of iq stability or decline over adulthood shown in cross-sectional versus longitudinal studies.
<h3>What is meant by cohort difference?</h3>
Cohort is the term that tells us of the people that are around or about the same age.
This is used to refer to the way that the people of different ages react or do things at a particular point in time.
Read more on cohort differences here:
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Answer: Across subjects multiple-baseline design
Explanation: The single case design involves experiment whereby only one group is used as to make inference in the study, the control group and treatment group aren't distinct. When behavior is measured or observed in two or more participants belonging to a single group by delivering a the same intervention or treatment at different poinf in time. In the scenario above, the smile and eye contact is the treatment being delivered or used on the participants to measure the the level of responsiveness of the participants. After trying the treatment on the first subject, the treatment was so test on the other participants, hence
