The sun’s light and other forms of electromagnetic energy reach the earth by radiation. The mass of the sun acts on the earth (and other planets) by gravity which steers the earth in an almost circular orbit round the central sun.
Answer:
Motion definition: the action or process of moving or being moved.
Examples:
1. moving a hand
2. riding a bicycle
3. running
An object or living organism that is stationary(not moving) for example the car is stopped at the top of the hill
Answer:
length f′0 when the eye is presbyopic and by a screen (the retina) at the distance d from the
Explanation: