B4

Two weeks of warm weather in the high Arctic have caused a lake to begin forming. To be clear, the water surrounding the pole is not sea water from the ocean.

SURROUND

B5

It is melted ice water resting on a layer of ice below. "It's a shallow lake. It's a cold lake. But it is, actually, a lake," writes William Wolfe of Canada.com.

 MELT

B6

That lake started to form on July 13 during a month of abnormally warm weather - temperatures were 1-3 degrees Celsius higher than average in the Arctic Ocean this month. In addition, the weather is likely to get worse over the coming week. An Arctic cyclone will bring strong winds and rain.

 BAD

B7

According to the National Meteorology Institute, 87 towns in all three of Brazil's southern states saw snow and freezing rain last week. The temperature went below zero.

 GO

B8

In some towns temperature as low as minus 7 degrees Celsius was registered. It was the first time that it snowed in Florianopolis, and Curitiba, the capital of the state of Parana reported snow after 38 years.

 ONE

B9

Snow is rare in Brazil. Last year it fell out only in a hand-ful of towns in the mountainous areas.

 FALL

B10

This yeah because of heavy snowfalls and low temperature a state of emergency was declared in several towns of the country.

 DECLARE