Translate these sentences into Russian

1. No one really knows what the future holds for mankind.
2. The Antarctic ice sheet is shrinking — it is losing up to 152 cubic km of ice each year.
3. The islanders are facing serious problems such as drought and unemployment.
4. To a large extent, global warming has been caused by human activity.
5. The eggs I had in the fridge were rotten.
6. Millions of people in the world are at risk of starvation.
7. The price of petrol has dropped considerably in recent months.
8. The water level in the local river rose so much that it overflowed.
9. The Jeffersons are warm and welcoming hosts.
10. Enough funds were raised by the school play to pay for the class graduation ceremony.