Every study on crime and or firearms proves time and time again, that 99.99999% of American gun owners do not commit crimes or use our firearms in any dangerous or improper way.
It is impossible to make people understand their ignorance, for it requires knowledge to perceive it and, therefore, he that can perceive it hath it not.
Some plants are carnivores, gaining nutrients by eating various small insects and spiders. A well known example of a carnivorous plant is the Venus Flytrap.
Alkali metals such as sodium, potassium, rubidium, caesium and francium are extremely reactive elements, just putting them in water can result in an explosion! They are carefully stored in oil to prevent this happening.
While aluminum is the most common metal found in the Earth's crust, the most common metal found on Earth is iron, mostly because it makes up such a large part of the Earth's core.