<prompt> Richest source of Vitamin-A -Halibut liver oilCarrotButterMargarine  <response>: Ans. is a i.e., Halibut liver oil Retinol content of selected foodsRetinol equivalents REmcg100 gHalibut liver oil900,000Carrot1167Cod liver oil18,000Spinach607Liver, Ox16,500Amaranth515Butter825Green leaves300Margarine900Mango, ripe313Cheese650Papaya118Egg140Orange25Milk, Cow38Tomato84Fish40 