Which of the following may be associated with the collision of two sections of continental crust? a. hot-spot volcanoes b. earthquakes and a mountain rages c. earthquakes, volcanoes, and trenches d. trenches and earthquakes

Q: a pair of homologous chromosomesa) always has the same genes and the same allows b)always has the same genes c)always has the same alleles d)never has the same genes

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria