View the frequency distribution graph about people who regularly use a specific cell phone app. which two age groups are least likely to use this app? a. 0-9 and 10-19 b. 0-9 and 60-69 c. 10-19 and 20-29 d. 10-19 and 50-59

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

characteristics of hydrocarbons