Answer:
Acute inflammation of the mucous membrane of the nose, with the discharge of mucus; a head cold.
Explanation:
The answer is carbon dioxide. im 100 percent this is right<span />
It is false that living organisms contain unique chemical elements which are not found in non-living systems.
C) Is the correct answer I believe, unless you want to flush the chemicals down the sink and then have a reaction with them the next time you go swimming in a lake and find them there.
Answer:
A lunar eclipse occurs when the Moon passes directly behind the Earth into its umbra (shadow). This can occur only when the sun, Earth and moon are aligned (in "syzygy") exactly, or very closely so, with the Earth in the middle.
Explanation:
