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