Start with what the paragraph is about and put it basically in your own words
Answer:
The average speed of the earth in its orbit is 
Explanation:
The average distance between the Earth and the Sun is
.
The average speed of the earth in its orbit can be found by the next equation :
(1)
Where r is the radius and T is the period.
In this case, the orbit of the Earth can be considered as a circle
(
) instead of an ellipse.
It takes 1 year to the Earth to make one revolution around the Sun. Therefore, its period will be 365.25 days.
Notice that to express the period in terms of seconds, the following is needed:
⇒ 
Then, equation 1 can be used:


Both equinoxes ... September 21 and March 21.
Answer:Explanation:gfgfgfgfgfgfgfgfgfg
Answer: c
Explanation:
Sound waves cannot travel through a medium