The answers for this question would be choices A) the first option and D) the fourth option.
Answer:
Abdominal-Thoracic-Dorsal
Explanation:
Complete question:
At one time it was thought impossible to operate within the body cavities. But then the Canadian doctor William Beaumont operated on a gunshot wound to the stomach. Several decades ago we saw breakthroughs in heart operations and transplants. And the 1990s were called the decade of the brain because of the extensive research being done on how the brain functions. The order in which these discoveries were made, by cavity, are
abdominal-thoracic-dorsal.
abdominal-dorsal-thoracic.
dorsal-thoracic-abdominal.
thoracic-abdominal-dorsal.
thoracic-dorsal-abdominal.
The trip from Europe to the Indian Ocean was shortened when the British decided to create a Canal in Egypt (the Suez Canal) which allowed Europeans to reach the Indian Ocean much quicker.
Answer:
Europe has had the most wars in human history. All the wars in europe have been started either by, Denmark, Germany, or Sweden.
I think the answer is D if not the answer should be B
