Saint Petersburg is also known as The City of White Nights because of a natural phenomenon - - - arises due to the closeness to the polar region, and ensures that during the summer, the nights of the city do not get completely dark for a month.

Peter the Great, - - - in seafaring and maritime affairs, - - - to take control over Russia to gain a seaport to trade with the rest of Europe.

In 2014, 10 million international visitors came to Seoul, making it the world's 9th most visited city, and the 4th - - - contributor in tourism.

Bangalore has - - - engineering colleges - - - any other city in the world.

- - - as the Step Pyramid, it began as a traditional mastaba but grew into something much more ambitious.

Factory farming is a method of mass food production in which animals are kept in very confined areas - - - get the best possible profit.

1- According to witnesses, the robbery was …………. by two teenage boys.

Though the strategic value of submarines was demonstrated in World War I, ----.

Genetics alone cannot explain how certain ethnic groups use no dairy products, yet still maintain calcium balance.

"Uzay Laboratuvarı Projesi", insanların uzayda hiçbir olumsuz etkiyle karşılaşmadan uzun süre yaşayabileceğini ve çalışabileceğini göstermek için NASA tarafından tasarlanmıştır

It cannot be denied that buying locally grown food does offer big advantages, not just in freshness, but also in environmental savings. Imported foods, especially those flown in from the opposite hemisphere, use up huge amounts of jet fuel – 127 calories of fuel per calorie of Californian lettuce flown to Britain, and 66 calories of fuel per calorie of South African carrot; that at least is what a green research group based in London has estimated. Much of that cost is hidden from consumers, because air fuel attracts no tax – an advantage guaranteed by international treaty. And under the Kyoto Protocol, carbon emissions from international transports are not added to national carbon-emission tallies, because nobody can agree whose account to charge them to. But the fuel used to import food and drink to Britain continues to account for four million tonnes of CO2 emissions annually, which is about 2,5 per cent of the national total.

The author of the passage quotes figures supplied by a green research group ----.

It cannot be denied that buying locally grown food does offer big advantages, not just in freshness, but also in environmental savings. Imported foods, especially those flown in from the opposite hemisphere, use up huge amounts of jet fuel – 127 calories of fuel per calorie of Californian lettuce flown to Britain, and 66 calories of fuel per calorie of South African carrot; that at least is what a green research group based in London has estimated. Much of that cost is hidden from consumers, because air fuel attracts no tax – an advantage guaranteed by international treaty. And under the Kyoto Protocol, carbon emissions from international transports are not added to national carbon-emission tallies, because nobody can agree whose account to charge them to. But the fuel used to import food and drink to Britain continues to account for four million tonnes of CO2 emissions annually, which is about 2,5 per cent of the national total.

It is stated in the passage that the cost of transporting food from abroad by air is less expensive than one might imagine, ----.

It cannot be denied that buying locally grown food does offer big advantages, not just in freshness, but also in environmental savings. Imported foods, especially those flown in from the opposite hemisphere, use up huge amounts of jet fuel – 127 calories of fuel per calorie of Californian lettuce flown to Britain, and 66 calories of fuel per calorie of South African carrot; that at least is what a green research group based in London has estimated. Much of that cost is hidden from consumers, because air fuel attracts no tax – an advantage guaranteed by international treaty. And under the Kyoto Protocol, carbon emissions from international transports are not added to national carbon-emission tallies, because nobody can agree whose account to charge them to. But the fuel used to import food and drink to Britain continues to account for four million tonnes of CO2 emissions annually, which is about 2,5 per cent of the national total.

We learn from the passage that carbon emissions of aircraft travelling between countries ----.

It cannot be denied that buying locally grown food does offer big advantages, not just in freshness, but also in environmental savings. Imported foods, especially those flown in from the opposite hemisphere, use up huge amounts of jet fuel – 127 calories of fuel per calorie of Californian lettuce flown to Britain, and 66 calories of fuel per calorie of South African carrot; that at least is what a green research group based in London has estimated. Much of that cost is hidden from consumers, because air fuel attracts no tax – an advantage guaranteed by international treaty. And under the Kyoto Protocol, carbon emissions from international transports are not added to national carbon-emission tallies, because nobody can agree whose account to charge them to. But the fuel used to import food and drink to Britain continues to account for four million tonnes of CO2 emissions annually, which is about 2,5 per cent of the national total.

One important point made in the passage is that ----.