PEMDAS. (-4) - 18 - (12 + 3)
1. Parenthesis, simply what's in them.
(-4) -18 - (15)
2. Combine like terms.
-4 - 18 - 15 = -37
Hope this helped.
Answer:
Islamic doctors developed new techniques in medicine, dissection, surgery and pharmacology. They founded the first hospitals, introduced physician training and wrote encyclopedias of medical knowledge.
Early Islamic medical centers would be recognizable as hospitals today: they had wards for different diseases, outpatient clinics, surgery recovery wards and pharmacies. They also functioned as medical education centers for doctor training.
Islamic hospitals pioneered the use of antiseptics such as alcohol, vinegar or rose-water in cleaning wounds. Everything was to be kept as clean as possible.
Islamic pharmacies, called saydalas, began at the same time as the hospitals, in the late 700s, as part of the Islamic health care system.
Explanation:
I hope that helps!
The influx of scholars and artists from Byzantine Empire contributed to the intellectual life of the renaissance.
<h3>What was the renaissance era?</h3>
This is the term that is used to refer to the era that ushered in a great increase in the classical period. It was the time that saw the increase in the arts and the science period in the world especially in the European continent.
It is the period that is called the era of cultural , scientific, economic and politic rebirth in Europe after the middle ages. Hence we can say that: The influx of scholars and artists from Byzantine Empire contributed to the intellectual life of the renaissance.
Read more on renaissance era here: brainly.com/question/879750
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So by December 1915, Britain had removed its Indian troops from the front lines of Europe, along with some of their other foreign forces. ... A culture of racism allowed European military leaders to see colonial recruits as perfectly suited for these menial tasks, while at the same time minimizing the danger of the work.