Why is a carrot more orange than an orange? One of my questions so hard. I dont know why.

Because carrots contain more beta-carotene (which is converted in the body to Vitamin A). A class of chemicals called carotenoids creates many of the bright pigments in plants in the yellow-red range. Beta-carotene is a bright orange color. Carrots are well-known for their beta-carotene content, while oranges are not.