In mammals the digestive tract is made up of multipl such as the stomach, pancreas and intestines . These all work together to from the we use to digest food

During photosynthesis, plants transform electromagnet energy from the sun into chemical energy.

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

The answer will be c