Lets call this tree the tree of knowledge, as it allows to know negative, zero and positive.
You can also use it when you want to be shady.
You can also use it when you want to be shady.
Lets call this tree the tree of knowledge, as it allows to know negative, zero and positive.
And if you are enough lucky to hide from the sun under an apple tree, you can still eat one to feel less thirsty.