Ice floats on water because it is less dense than water. When water freezes into its solid form, its molecules are able to form more stable hydrogen bonds locking them into positions. ... Most substances in their solid form are more dense than their liquid forms.
There are three ways to safely thaw food. you could put it in the refrigerator overnight put it under cool running water or put it in the microwave before cooking.
That’s because when you lie down your blood pressure changes and blood flow to the upper part of your body can increase,including the blood flow to your head and nasal passageways.This increased blood flow can inflame the vessels inside your nose and nasal passages which can cause or worsen congestion.Also you may just have a common cold which symptoms include nasal congestion,runny nose,and sneeze.You also may have an allergy.Consult with your doctor if it’s constantly happening and if it’s bothering you.Have a great day.
