Describe the sections of the Sun and the important activities that happen in each
What will be an ideal response?
Answer: In the innermost portion of the Sun consists of its core, the radiation zone, and the con- vection zone. The core, is characterized by extremely high temperatures (about 15 million °C, or 27 million °F) and high densi- ties lead to the energy-generating process of nuclear fusion. Energy initially travels outward from the core as electromagnetic energy through the radiation zone and into the base of the convection zone, where upwelling of the solar gases transfers the energy to the relatively thin solar surface. The layer of the Sun that radi- ates most of the energy away from the Sun is called the photosphere. It is the layer of the Sun we actually see as the solar disk.
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What is one reason that modern cities are warmer than rural areas?
A. There is more evaporation from city streets than from rock and soil. B. Cities are closer to water. C. Concrete retains heat better than vegetation. D. Cities contain more species of plants and animals.
According to statistics compiled by the World Bank, just over ________ of the world's population today lives in urban areas
A) 25% B) 50% C) 75% D) 100%
Approximately 1.1 bya, Laurentia began splitting apart along the ____________________ ____________________. Fill in the blank(s) with the appropriate word(s)
Humid air is more dense than dry air at the same temperature
Indicate whether the statement is true or false