yes! yes.
Autumn, when they fall from the tree.
No, cashews and walnuts are tree nuts. Peanuts grow underground and are legumes.
because you are bad at planting
the roots help the tree from falling down
70kg
Yes, apples fall from apple trees. Of course, they are often picked before they fall.
Given the fact that all walnuts come from walnut trees, I'd say the answer is pretty obvious.
An apple falling from a tree is a specific instance of an object falling, while “a falling” from a tree is a grammatically incorrect phrase. It seems there might be a typo or error in the second part of your question.
Cut it down.
Just until they reach the ground.
chop that sucka down