1. Discuss the shape and size of the Earth
2. How do we locate places on the Earth?
3. How are the heat zones demarcated?
4. What is a grid system?
5. Why is the equator called 'The Great Circle
6. What is International Date Line?
Answers
Answer:
Discuss the shape and size of the Earth
Earth's Shape Earth's circumference and diameter differ because its shape is classified as an oblate spheroid or ellipsoid, instead of a true sphere. ... Because Earth rotates, this sphere is distorted by the centrifugal force. This is the force that causes objects to move outward away from the center of gravity.
Explanation:
2. How do we locate places on the Earth?
Any point on earth can be located by specifying its latitude and longitude, including Washington, DC, which is pictured here. Lines of latitude and longitude form an imaginary global grid system, shown in Fig. 1.17. Any point on the globe can be located exactly by specifying its latitude and longitude.
3. How are the heat zones demarcated?
Different regions of these parallels such as the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle and the Antarctic Circle receive sun-rays at various angles, due to this the Earth is divided into 3 heat zones: Torrid, Temperate and Frigid.
4. What is a grid system?
Description. Bootstrap 4 grid system built with flexbox which is fully responsive and scales up to 12 columns (according to the size of device) by creating layout with rows and columns across the page.
5. Why is the equator called 'The Great Circle
A great circle is the largest possible circle that can be drawn around a sphere. ... The Equator is another of the Earth's great circles. If you were to cut into the Earth right on its Equator, you'd have two equal halves: the Northern and Southern Hemispheres. The Equator is the only east-west line that is a great circle.
6. What is International Date Line?
The International Date Line serves as the "line of demarcation" between two consecutive calendar dates. ... The International Date Line, established in 1884, passes through the mid-Pacific Ocean and roughly follows a 180 degrees longitude north-south line on the Earth.