Which word signals an effect?

O if
O since
O because
O therefore​

Is the group of words a simple sentence, a compound sentence, or a run-on sentence? jan went on a quiz show, won two hundred dollars, and bought gifts for her family. a. run-on sentence b. compound sentence c. simple sentence

Which part of the word scribble means "to write"? a. scrib– b. –ble

Is there a difference between seeing and knowing?