1. What is rotation?
Pg 14
What do you understand by the Earth
When does the summer solstice occu
When are the nights and days of equ
When does the Southern Hemispher
What are the effects of revolution?
Answers
Answer:
1.the action of rotating about an axis or centre.
2.Earth is a terrestrial or inner planet consisting of a thin outer crust, an intermediate mantle, and a dense inner core. It has an atmosphere composed primarily of nitrogen and oxygen and is the only planet on which water in liquid form exists, covering more than 70 percent of its surface.
3.Summer solstice 2021 in Northern Hemisphere will be at 9:01 am on
Monday, 21 June
4.Marking the beginning of spring, the sun will cross the plane of the earth's equator on Monday morning, making day and night of approximately the same duration. The event, known as equinox, is eagerly awaited by space enthusiasts as it takes place only twice a year, on March 21 and September 23.Mar 21, 2011
6.Effects of Earth's revolution include the seasons and variation in the length of days and nights. In addition to revolution, the tilt of Earth's axis relative to its plane of orbit has a profound effect on Earth.