What is the common term for an independent clause that students are often taught in elementary and middle school?

Why are reading and writing necessary in today’s world?

Which of the following is not a fire safety precaution a; start fires with kindling or other fire starters b: check local regulations and conditions before starting a fire c: clear flammable debris away from fire area d: extinguish all burning embers before leaving

What does atticus do after sunday dinner and why does it seem unusual