Based on the clue 'abundant in spinach broccoli this substance must ...', what is the answer?

What is referred to by 'abu iago jafar'? Based on the clue 'abu muharrik dunes al ajmah mountains sinai penins...', what is the answer? Based on the clue 'abuja this countrys first planned city was built i...', what is the answer? What is referred to by 'abuja'? Based on the clue 'abundant in the amazon river this feared fish is a...', what is the answer? Based on the clue 'abundant in the gulf of st lawrence the firth of ...', what is the answer? Based on the clue 'abused wife seeks refuge in movie theater falls fo...', what is the answer? What is referred to by 'abyssinia'?