Capillariesarteriesblood vesselsveins carry blood away from the heart, while
carry blood back to the heart.

The answer should be c.

☆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

Here is the link to the all information u need i mean answer key

Ireally don’t know bruh