How can i add a reference to a google slide show?

it is a hope this 's

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.

oooh~ i love the salem witch trials.

sadly though, i cannot you if you don't post the paragraph. i'm confused on what to write!

if you would kindly post the paragraph though, i'm more than happy to you.

(:     < 3

i need the experts to you or i cant really compaire