What are some of the reasons that nationalism emerged among European Jews and Arabs in the Middle East? What kinda of nations did they groups imagine?

Answer (d) may increase or decrease porosity through dissolution or deposition;

If you dont know the answer dont commnent anything

Ido believe it is b 

Conditions are more like living on  land  for creatures in the upper part of the intertidal, which is only covered with  water  at extreme high tide, so life is easier on land. conditions are more like living in the ocean for creatures in the lower part of the intertidal which is only exposed to air at extreme low tide. so basically it both worlds of land and ocean.