I think it's A not sure tho
Check on google they will give you the answer and others descriptions
Carbon dating is a process that estimates the age of anything. However, there are flaws that exist. It may not be a precise number, but it does gives a good estimation.
Answer: The primary function of leaves is to collect sunlight, for use in photosynthesis.
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The answer is; When the planet is at A it is moving faster than at B.
This is because when the planet is closer to the sun at point A, it is experiencing a stronger gravitation, by the sun, pull than at point B. Therefore, its acceleration due to gravity at point A is higher than at point B.