The Suez Canal is a man-made waterway connecting the Mediterranean Sea to the Indian Ocean via the Red Sea.
D) Eradicating polio
The United Nations efforts to eradicated polio have been extremely effective, and very little occurrence of polio still exists across the globe. According to information provided by the UN on World Polio Day in October, 2017, only 3 countries in the world (Afghanistan, Nigeria, Pakistan) still had any occurrence of the disease. At that point in 2017, only 12 cases of polio had been reported worldwide in that year, and over 400 million children around the world had received polio vaccinations in the past year.
<span>Noticing nice things about people, and telling them, is an example of B. Good communication.</span>
The answer to your question is the letter B