Because water weighs more than air, so when boiled, the vegetable is filled with water
It is commonplace to put salt in water when boiling most foods. The reason why you put salt in with boiling water and vegetables is to help them retain moisture.
it makes them hot
It goes to the center as the yolk is heavier.
For leafy vegetables - steaming and micro-waving. For root vegetables - boiling, baking and micro-waving.
Air is heavier than C02, CO2 has a very low boiling point. It is also a pollutant.
Steaming the vegetables rather than boiling.
:-D Yes! But one has to admit, they were always there.
There are several disadvantages to boiling food. For example, boiling vegetables basically drains the nutrients out of the food and into the water, so the nutrients that would normally be consumed are gone.
blanching
Depending on the vegetables, you can steam them or Blanche them. (Where you put vegetables in boiling water, then put them in ice cold water)
it will be heavier and it will turn different colors. Also it will decrease the rate
blanching