The nucleus of an atom consists of: * Electrons only
Protons only
Protons and neutrons
Protons and electrons

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

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