Answer:
My first is twice in apple but not once in tart. My second is in liver but not in heart. My third is in giant and also in ghost. Whole I’m best when I am roast.
What is it something that you always have but you always leave behind?
This is rectangular, hollow and has a lid, and where you’ll find it you might wonder, it is just six feet under. What is it?
Weight in my belly, Trees on my back, I travel fast in my place, but feet is a feature I lack
Lovely and round, I shine with pale light, grown in the darkness, a lady's delight.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?