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
Air does not have a capacity for holding water vapor that changes with temperature. This is a common but erroneous belief. Air doesn't even hold water vapor, it is just there. 20% humidity means that there is 20% of the water vapor in the air necessary for condensation to become equal to evaporation at the given temperature and therefore have reached the dewpoint.