__________ are the only animals born with horns. Both males and females are born with bony knobs on the forehead. Giraffes Science & Naturekeyboard_arrow_right
The Nile crocodile averages about 45 years in the wild, and may live up to 80 years in __________ Captivity Science & Naturekeyboard_arrow_right
North American Indians ate watercress to dissolve what in the bladder? Gravel and stones Science & Naturekeyboard_arrow_right
Which alloy is made with nine parts tin and one part lead? Pewter Science & Naturekeyboard_arrow_right
The crayfish isn't a fish at all _ it is related to the __________ Lobster Science & Naturekeyboard_arrow_right
What branch of science studies the motion of air and the forces acting on objects in air Aerodynamics Science & Naturekeyboard_arrow_right
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