The faster/slower one i think is faster because the colder the air, the closer the particals are, and for #2 it's because the door is condensed, and the atoms are closer, therefore meaning that the sound particals don't spread, like they would in air, they're more compact (meaning they're) easier to hear, or you just have a good listening ear.
Answer:
Explanation:
None of the other answers matter but the right answer which A. Silicon has an outer shell of 4. Carbon can connect with 4 elements because of its outer shell. CH4 is the simplest example. But C2H6 is also possible.
H H
H - C - C - H
H H
There are 4 connections to the outside world for the Carbon (C) on the left.
It has 3 hydrogens connected on to it and one of its connecting electrons goes with the other carbon on the right.
Silicon can do the same thing.
Answer:In Example A, white light (i.e., a mixture of red, green and blue) shines upon a magenta filter. Magenta absorbs its complementary color - green. Thus, green is subtracted from white light.
Answer:
Silver Chloride
Explanation:
A <em>precipitate</em> in chemistry is a substance that becomes solid during a chemical reaction.
Have a great day!
