How long does it take Mercury to revolve around the sun? 88 days 88 years

## Step 1<br />The problem is asking for the time it takes Mercury, the smallest planet in our solar system, to complete one orbit around the sun. This is known as its orbital period.<br /><br />## Step 2<br />The options provided are 88 days and 88 years. The correct answer is 88 days. This is because Mercury's orbital period is approximately 88 Earth days.<br /><br />## Step 3<br />The other option, 88 years, is not correct. This is because it is far longer than the actual orbital period of Mercury.