1.dry and cold air mass 2. Dry and warm air mass 3. Humid and cold air mass 4. Humid and warm air mass
When we mix sand and water, no reaction takes place. The sand simply settles down at the bottom of the water container. This is because sand is heavier than water and hence cannot float in water. ... In comparison, if we mix something like salt or sugar in water, they will react and make the water salty or sweet.
(Sorry if I am wrong.)
A.
B.
I hope this helps! Have a lovely day! ~Pooch ♥
Answer: each water molecule attracts other water molecules because of the opposite charges between them, forming hydrogen bonds