Which sentence is a run-on sentence? a. a lion can run faster than a greyhound or a fox. b. humpback whales sing songs; they sing new tunes every year. c. bald eagles build nests of branches; the nest may weigh tons. d. some tortoises are huge, you can ride on them.

Which sentence is written correctly? oa. according to the weather forecast, it will be sunny all week. ob. do you know weather she will attend the show? oc. we should expect cloudy whether during the weekend. od. i like to stay at home and read a good book during rainy whether.