A function of the testes is to: make estrogen, produce sperm, deliver sperm to the outside of the body, add fluid to sperm produce sperm When a sperm joins with an egg, it is called: fertilization, premenstrual syndrome, ejaculation, ovulation
A hygrometer is weather instrument used to measure the amount of humidity in the atmosphere. There are two main types of hygrometers â a dry and wet bulb psychrometer and a mechanical hygrometer. Humidity is the amount of water vapor in the atmosphere caused by condensation and evaporation.
A hygrometer measures the amount of water vapor in the air, or humidity. The higher the temperature, the more water vapor air can hold. The amount of water vapor in the air co â¦ mpared to what it can hold at a given temperature is called relative humidity. Relative humidity is given as a percent.