Beyond the ash and the lava, an erupting volcano in Indonesia poses the threat of a tsunami. Meanwhile, U.S. officials are warning about cyberattacks on American water facilities. And an aquarium that rescues and rehabilitates sea otters adds up the expense of feeding them. Other topics discussed this Friday include a robot's retirement (and blooper reel!) and a Nigerian woman's work to create art from discarded plastic.

This Friday's news quiz covers topics featured throughout the week on The World from A to Z:

1. Name the Roman city that was buried by an eruption of Mount Vesuvius in A.D. 79 – but where archaeologists are still unearthing artifacts like the recently discovered mural paintings.

2. What nation, a sworn enemy of Israel, recently launched hundreds of drones and missiles at the Jewish state, though Israel says defense systems intercepted 99 percent of the weapons?

3. What amendment to the U.S. Constitution gave Congress the power “to lay and collect taxes on incomes,” which is exercised every year on April 15?

4. What nation, which was featured in an education story on Tuesday’s show, has the coldest capital city on Earth?

5. Who is the prime minister of India, the world’s most populated country that is gearing up for the biggest democratic election in world history?

6. In what African country, which was featured on Wednesday’s show, are rangers at Maasai Mara National Reserve working to tag and track giraffes?

7. A historic stock exchange building, which now houses a chamber of commerce, was badly damaged by a fire on Tuesday in what European country?

8. In what emirate (also a city) in the United Arab Emirates did severe flooding follow historic rainfall, blocking roads and covering the runway at the world’s second-busiest airport?

9. In what island nation, which sits on the Pacific Ring of Fire, are officials warning about a possible tsunami if an erupting volcano crumbles into the sea?

10. In what African country, which is the most populated on the continent, is a young artist creating works with discarded plastic and exhibiting them in places like Lagos?