My wife and I have been together since 1986. I graduated in '86 and she graduated in '88. We began dating when she was 17. Actually she turned 18 when we started kissing and stuff.
One is to ensure that the war fighters and the intelligence analysts get the information that they need when they need it, in a format that's useful to them.
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.