The atmospheric layer represented by F is called the ionosphere. It is the upper layer of the earths atmosphere. It is ionized by solar radiation which has an electrical charge. Radio waves can be broadcast all over the world due to the radio waves reaching the ionosphere and reflecting back.
Answer:
A. July
Explanation:
It refers to the actual months of winter in Australia: June 1 through to August 31.
Explanation:
United States has 14 cities with more than a million people, 335 cities with between 100,000 and 1 million people, and 4115 cities with between 10,000 and 100,000 people.
1 New York 685,714
2 Los Angeles 209,422
3 Chicago 112,290
4 Houston 323,078