Towards the end of your pregnancy, the placenta passes antibodies through the umbilical cord from you to your baby. These give your baby immunity from infections for about three months after birth. However, it only passes on antibodies that you already have.
Hygroscopicity is defined as absorb moisture. With sugar being solid, it absorbs moisture in its surrounding (air). Therefore, sugar is hygroscopic because it is solid that â¦does not contain much moisture.
A hygrometer is an instrument used to measure relative humidity. It is also called a psychrometer. In order to determine relative humidity, the hygrometer makes use of wet and dry bulb thermometers. The difference in temperatures between the two measurements are an indicator of evaporation, therefore also relative humidity.