Tricky riddles – page 9

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Here you can find more questions on page 9.
Riddle Time
Your internal army fights invisible invaders, without your command, day and night.
Riddle Time
It's a brief presentation of your best self, always ready to be swiped away with a finger.
Riddle Time
What is usually born with paper and pen, then quietly grows in the shadows, demanding back more than it first gave?
Riddle Time
What, though flat, has the power to fill and empty pockets, yet never carries anything itself?
Riddle Time
What confirms your efforts but rarely gives you all you've earned?
Riddle Time
What is often light when it's full, but can feel heavy when it's empty?
Riddle Time
What has a face but no voice, and disappears faster the more you use it?
Riddle Time
What is a standing box that gladly swallows plastic and spits out paper, but never remembers your face?
Riddle Time
What swims through the earth and digs countless tunnels without ever getting wet?
Riddle Time
What can look over its shoulder without turning its body, yet flies without a single sound?
Riddle Time
What calls its own name from the treetops, but lets others warm and feed its only offspring?
Riddle Time
What builds its own flying trap and has more eyes than we have fingers, yet consumes its meal without swallowing?
Riddle Time
What is it that, with blue blood and three hearts, changes its skin to blend in with the rocks on the seabed?
Riddle Time
What navigates in total darkness using sound waves but doesn't have radar?
Riddle Time
What is it that must be broken to work?
Riddle Time
What can you never say you are doing, at the very moment you are actually doing it?
Riddle Time
What do you have that you can give to another person, but still keep yourself?
Riddle Time
What is it you can do every day, but never on purpose?
Riddle Time
What is it you can only get if you lack it?
Riddle Time
What is it that cannot possibly be claimed as true, at the very moment it occurs?