Does anyone know any great websites for high school extra credit? any and every subject

Cigarette manufacturers purposefully add to cigarettes in order to give them a particular flavor. a. cocaine b. carcinogens c. cigarette ashes d. a and b

If you observe an object in the universe that is roughly 8 megaparsecs in size, what is the object most likely to be? a. elliptical galaxy b. irregular galaxy c. ultra-compact dwarf galaxy d. galaxy group e. galaxy cluster

Select the sentence that shows jennifer’s readiness to become a parent. jennifer is a successful entrepreneur. she enjoys weekends with her partner. lately, they have been thinking of having a baby. she visits her mother once a month and her with her chores. she also donates money annually to an orphanage. she also donates money annually to an orphanage