In chemistry, we observed the reaction when phosphorus is exposed to oxygen.
based on the meaning of its root and its use in this sentence, the word "phosphorus" most likely refers to which of
these?
1.)a substance that gives off light
2.)a colorful metal
3.)a stone that gives off heat
4.)a single molecule chemical
so much in

The correct answer is 1.) A substance that gives off light

Explanation:

The word "phosphorus" is composed of the root word "phos" that derives from Greek and means light and the suffix "phoros" that means to emit or bring. This implies according to its root and composition "phosphorus" refers to something that emits light. Besides this, this word is used to describe an element or substance involved in a chemical reaction "we observed the reaction when phosphorus is exposed to oxygen"; this suggests phosphorus is a chemical compound or substance. Thus, according to its root and use in the sentence "phosphorus" is "a substance that gives off light".

the main character of "the secret life of walter mitty" retreats into a false pretense as a means escape from his mundane reality -- this is a flagrant issue seen in societies abroad, typically found in young adults and it is robbing our youths of their childhood.

explanation:

a thesis -- a well developed, formal thesis is required to be one sentence long. there are many themes in "the secret life of walter mitty" and i had resolved to give you one of the simpler ones while still honing it with class.

i think its a.

an ugly duckling is teased by the other ducklings. when she grows up, however, the ducklings discover that she is a beautiful swan