1.read the dictionary entry.

compound n. 1. a combination of two or more ingredients or parts 2. a substance formed by the chemical union of two or more elements 3. a word that consists either of two or more elements that are independent words 4. a building or buildings set off by an enclosed barrier

now read the sentences.

in science we are learning about certain compounds that are essential to life, like water. each water molecule is made up of two hydrogen atoms and one oxygen atom.

which definition from the dictionary entry matches the meaning of compounds as it is used in the sentences?

question 11 options:

definition 1

definition 2

definition 3

definition 4

2.the following sentence may contain a grammar or usage error. read the sentence and identify its error, if there is one, by choosing the appropriate answer. if there is no error in the sentence, choose no error.

each of the new participants is giving a short speech to support the cause.

each of the new participants

to support the cause

is giving

no error

a short speech