(a)[2]
Determine the number of days the Earth needs to travel from F to G around its orbit. Explain your answer.
(b(i))[1]
Identify which position of the Earth corresponds to summer at X.
(b(ii))[1]
Identify which position of the Earth corresponds to winter at X.
(c)[3]
Calculate the mean radius of the Earth’s orbit.
(d)[1]
Earth is a planet in the Solar System. State one more type of naturally occurring object that occurs in the Solar System.