Garment that was ripped from Adam and Eve

A) It is known that Iblis was banned from Heaven because of his refusal to prostrate to Adam pbuh. So how was he able to enter Heaven, and whisper to Adam, and make him eat of the forbidden tree? The words of Iblis to Adam indicate that he was with him in Heaven, because he pointed to the tree using the pronoun “this” which indicates he was not far from it.

B) What is the tree that Adam pbuh ate from?

C) Was the nakedness of Adam and Eve showing without clothing and then when they ate from the tree they became aware of their nakedness so they covered themselves with the leaves of Heaven? And what are the leaves they covered themselves with?

Who were wives of Abel and Cain?

Believing in the existence of a Creator, and Unifying Him ([meaning Monotheism]), and believing in His Prophets and Messengers and their Vicegerents (a.s), and in the Justice and ordainment [of God] and predestination/fate and Bidaa’ and Heaven and Hell, and the infallibility of the Successors of Allah (a.s) in His Land, and the Angels, and the Unseen, and all that which the Prophets and Messengers and their Vicegerents (a.s) have informed about. And we do not have except that we hold tight to their tails and follow their footsteps. He, The Exalted, said: {If you love Allah , then follow me, [so] Allah will love you}