10 facts sobre Norteamerica

Population: more than half a billion people!Land Mass: 24,680,330 square kilometres (or 95,29,130 square miles). This is the third largest continent after Asia which takes the gold medal for size while Africa that takes the silver.Countries: 23Highest Peak: the USA’s Denali rises to 6,168 metres (20,237 feet) above sea level.Largest Lake: Lake Superior is 82,100 square kilometres (31,700 square miles) in area, about the same size as the country of Panama. It’s the largest lake in the world!Longest River: The Mississippi River is 5,960 kilometres (3,700 miles) long.Smallest Country (by land area and population): St Kitts and Nevis, a two-island nation in the Caribbean.Biggest Country (by land area): Canada is close to 10 million square kilometres in size. The UK could fit inside its borders forty times over!Largest Nation (of people): the USA is home to almost 312 million, more than half of the population of North America.Languages: English, Spanish and French are most commonly spoken. In the Canadian state of Quebec four of every five people speak French at home.On the border of the USA and Canada, the spell-binding Niagara Falls is one of the most visited natural wonders of North America. Also super popular with tourists are the USA’s awesome Grand Canyon and the rainforests of Costa Rica. The Tortuguero National Park is simply bursting with wonderful wildlife.

Explanation:

North America is the third largest continent in the world.
North America has been populated for at least 15,000 years.
The early North Americans formed empires.
Population: more than half a billon people.
23 countries
North America is 200 million years

Which demonstrative adjective correctly completes this sentence?

Answer : D.) Esta

Esta señora en la fotografía es mi bisabuela.

Explanation : The subject is "señora" feminine singular, so this adjective must be feminine singular too => Esta señora.

Hope this helps!