What is the function of the three clauses introduced by "that in lines 8 and 10?

Dogs make wonderful pets because they keep us happy and healthy, the topic sentence is "dogs make wonderful pets". can someone me write a unrelated sentences to the topic and can be eliminated. need asap

What is the best way to improve the conclusion? add a sentence to the ending that summarizes the writer’s topic. add a sentence to the middle that reflects on the writer’s experiences. revise the final sentence to have a different tone. revise the first sentence to state a future goal.

Media project total score: of 100 points during the next several lessons you will create a media project about a place that is important to you, such as the place where you live. your teacher will score your assignment using the media project grading rubric. look at the rubric yourself so that you know how your assignment will be scored. you may create your project using a word processing presentation program or a slide program such as powerpoint®. include a title slide, two or three content slides, and a sources slide that contains the urls of your online sources. save the document to your computer with your name at the end of the filename (e.g., ng_ela 9-10_w_11_ga alice_jones). submit that document to your teacher for grading refer to the media project assignment document and follow the steps to complete the assignment. when you have finished, submit the assignment document to your teacher for grading.