Which sentences use conjunctive adverbs correctly? check all that apply. i believe, therefore, that this is the best course of action. declan wants to swim, instead ellie wants to play tag. regular exercise makes you stronger; also, it you sleep. you should not sing in the concert if you have a cold, however. meanwhile, cassie collected shells on the beach.

When joining independent clauses to write compound sentences, a semicolon is used before and a comma after  conjunctive adverbs.

Regular exercise makes you stronger; also, it helps you sleep.

These sentences connect to a previous one after a full stop by means of  conjunctive adverbs. Commas are required.  

Meanwhile, Cassie collected shells on the beach.  

I believe, therefore, that this is the best course of action.  

Not used correctly:

Declan wants to swim, instead Ellie wants to play tag.  

Instead should be placed at the end.

You should not sing in the concert if you have a cold, however.  

However is not used at the end.

yes

explanation:

invention of the washing machine

in the past, people used sticks and stones or scrub boards to clean their clothing. as it was sweaty, backbreaking work, we owe a world of to james king because he created the model for the modern washing machine in 1851. the most important issue was that this machine cleaned clothes while a person cranked the handle. doing this made people who used it develop strong muscles in their arms. later, in 1908, alva j. fisher created an electric washing machine named thor. this one was not the first automatic washing machine. however, it was one of the most popular models at the time.