Pls help if your good at English hurry pls I’ll mark brainliest:)

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.

London includes a quote about john thornton as he is observing hal attempt to motivate the exhausted dogs "it was idle, he knew, to get between a fool and his folly". if the word "idle" is defined as "of no real worth, importance, or significance", what does this statement mean with regard to hal? who is the fool? what is hal's folly? why would john thornton think it of no real worth or useless to intervene?

Plss me i need hrelp i will give you 12 pionts. a student is writing a blog claiming that school uniforms are a good idea. which sentence provides evidence to support this claim? a: many students are against wearing school uniforms because they think they will look silly. b: a recent study found that students who wear uniforms are more focused during class. c: a recent poll found that only ten percent of teachers are in favor of school uniforms. d: many parents worry that school uniforms will be more expensive than regular clothing.