A SECRET WEAPON FOR RIDDLE

Q: My skin is green and slippery, I have 4 legs and webbed toes, I hop on land and swim underwater, I like bugs and little fish to consume. What am I?Issue: If a doctor offers you 3 capsules, telling you to take 1 every fifty percent hour, the quantity of minutes will go from taking the 1st tablet to the last capsule?can take its viewers on a tense