Weather in the United States
The weather in the United States is unpredictable. Many theories about it (1)……...., but they (2)………….the test. One simple theory (3)…………..to experts (4)………….the reader of a popular weather journal in the 1960s. He (5)…………that the average temperature in June was higher when the year (6)………………..in 0. This was true for 1900, 1910 and 1920 and the pattern (7)………………….in 1930, 1940, 1950, and 1960. On this basis, a Rain
Clouds (1)………………………….(form) when warm winds blow over oceans or seas and the water on top evaporates. When the clouds (2)………………………….(blow) over mountains and hills, they (3) ………………………..(cool). Then, water droplets fall as rain. The rain runs into streams and rivers and it (4)…………………………….(carry) back to the sea to all