fill this ...

Keep practicing — related questions

• 1/4 + ? = 3/4
• It's possible to lead a cow upstairs...but not downstairs
• The largest eggs in the world are laid by a ostrich.
• Crocodiles swallow stones to help them dive deeper.
• A shrimp's heart is in their head.
• Slugs have 4 noses!!!!!!!
• The average human body contains enough fat to make seven bars of soap.
• When pressured for grazing space, kangaroos have been known to kill competing sheep.