It is not allowed for a Muslim woman to appear in front of Non Mahram men with out full Hijab covering all her body and hair.

Full Hijab means covering all her body and hair with cloth which must not be tight nor transparent.

Salatul Ehtiyat is obligatory when a valid repairable doubt occurs during performing a Prayer of 4 Rak'ats after completing the Prayer. It can be one or two Rak'ats depending on the number of Rak'ats which were involved in the doubt.

1. Doubt between 2nd and 3rd Rak'ats after starting the second Sajda of the second Rak'at: Take it as 3rd Rak'at and pray one Rak'at of Salatul Ehtiyat.

2. Doubt between 3rd or 4th Rak'ats: Take it as 4th Rak'ats and pray two Rak'ats of Salatul Ehtiyat of sitting position or one of standing position.

Eating duck is Halal if it was slaughtered in the proper Islamic way of Halal.

Gender transition is not allowed when it means a male trying to become a female or a female trying to become a male just for desire.

If a person is really female in her chromosomes and body but has some abnormal male signs in her body , she can then remove the abnormalities and become full female. Same with a male who is male in his chromosomes and body but has abnormal female signs, he can remove that abnormalities and become perfect male.

Rectification which makes the person remove any abnormality is allowed but changing the gender is not allowed.

This verse means that the real human life can never be achieved with out True faith which is the call of Allah (SWT) and the Messenger (SAWA). With out Real Faith and practice, disbelievers are like animals or even worse (Sura Al-A'raaf; 179) also (Sura Al-Forqan; 44)

In Sura Muhammad ;12, Allah (SWT) says about he disbelievers : They enjoy and eat like the animals eating and the hellfire will their destination.

Responding to the call of Allah and His messenger leads to the Real life in this world and hereafter. 

Pious men will be getting their pious wives with them in Paradise but in a completely different shape. Allah (SWT) will make their wives in the best shape that they can not even imagine in this life. The pious wife will be more pretty than any Houri.

Pious women who did not have pious husbands in this life will be granted pious husbands in the Paradise.

Wassalam