If OC = 4 and OE = 6, which relationship between the length of arc EF and the length of arc CD is always true?

Which organisims can cause diseases a. micro organisims b. multicellular organisnims c. both d. neither

Which amusement park ride utilizes periodic motion a.slide b.bumper cars c.giant swing d.roller coaster

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above