Answer:
Seasons occur because of the tilt of the earth's axis which is at an angle of 23.5o. As the earth rotates, the sun rays hit different parts of the globe more directly than others... that's why in the UK its Summer when its Winter in Australia ie North/South hemisphere.
Google speed of light for eg mph, km/h etc but the exact figure is 299,792,458 metres per second
Step-by-step explanation: