Answer:
When you are in a cool place and exhale into your mask, the mask blocks and re-directs some of your breath up toward the top edge of the mask and under your glasses. ... When the warm breath hits the cool lens, the water in the breath condenses causing your lenses to fog up.
To test for hydrogen, burn a candle near the suspected source of hydrogen. If you hear a squeaky pop sound, hydrogen is present because when hydrogen gas burns, it makes a squeaky pop sound.
Answer:
True. They engage in many different activities and sequences
Ability to move up through thin tunes because a physical property is something you can observe about the matter. Out of all of them this one does not fit.
Virtually all acids release hydrogen ions (or protons) in the water