==> the object's mass; ==> how close you can get to its center.
The space time continuum meaning that time travel would be very much possible if humans could break the barrier of the 4th dimension
The correct answer is A. The expansion of international trade.
Explanation
In the photographs you can see two photographs of Hong Kong, the first is from 1910 and the second from 2000. The first photograph shows the coast of Hong Kong with few buildings and boats, while the second photograph shows large buildings and boats. This difference between the two photographs denotes that there was great growth in the city. Hong Kong's growth is because it is a special administrative region that has a free market economy that has allowed this city to be at the epicenter of world trade and economy. Therefore, the correct answer is A. The expansion of international trade.
The least developed nations tend to have lower levels of industrial activity, resulting in lower levels of environmental damage. The most developed countries have found ways of improving technology and energy efficiency to reduce their environmental impact while retaining high levels of production
Goods are usually carried on large barges that go through the Volga river, Russia's most valueable geographical asset due to its large extent from East to West.
