12. which of the following sentences is correct?
a. a phrase has a subject and verb, but a clause does not.
b. a clause is a group of related words, but a phrase is not.
c. a phrase is a group of related words, but a clause is not
d. a clause has a subject and verb, but a phrase does not.

choice 2 i like that prompt better.

there is a sequence and logical steps to give an answer of a trouble.

1) strategy is necessary to develop an project idea.

2) to study and know the environment where you are going to work ( ecosystem).

3)   the materials resources to built the ideas.

4) to give a priority order in the context that you study. in this case human needs.

i cannot see any of the statement