Agave nectar (sometimes called agave syrup) is most often produced from the Blue Agaves that thrive in the volcanic soils of Southern Mexico. Agaves are large, spikey plants that resemble cactus or yuccas in both form and habitat, but they are actually succulents similar to the familiar Aloe Vera.
Quick Answer. The instruments that measure water vapor content in the air are called a hygrometer and psychrometer. Water vapor is water suspended in the atmosphere in the form of an invisible gas. Humidity is the measure of water vapor content of the air. Continue Reading
That's what happens when water turns into a gas: Some molecules escape from liquid water and float into the air as vapor. Compared to all the water on Earth, the amount of water vapor is tiny. But it's crucial to our atmosphere, the source of all rain and snow. And water vapor helps trap some of the Sun's heat so it doesn't all bounce back into space.