B-Because the planet travels slowly when it is far away from the sun
At part B of its orbit is the planet traveling at the slowest speed.
The Earth orbits the Sun in a counterclockwise pattern above the northern hemisphere at an average distance of 149.60 million km.
The Earth revolves around its axis once every 24 hours and orbits the sun once every 365 days.
The term 'one day' refers to the time it takes the Earth to rotate once on its axis, which includes both day and night.
The planet is moving the slowest at portion B of its orbit due to the fact that the planet moves slowly when it is far from the sun.
Hence, at part B of its orbit is the planet traveling at the slowest speed.
To learn more about the earth's orbit refer to the link;
https://brainly.com/question/15022652
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