What is a planet’s period of rotation? A. the shape of its orbit B. its tilt relative to the sun C. one complete spin on its axis D. one complete orbit around the sun
Which describes granite and basalt? A. Granite is a fine-grained extrusive igneous rock, while basalt is a coarse-grained intrusive igneous rock. B. Granite is a coarse-grained intrusive igneous rock, while basalt is a fine-grained extrusive igneous rock. C. Both granite and basalt are fine-grained intrusive igneous rocks. D. Granite is a coarse-grained extrusive igneous rock, while basalt is a fine-grained intrusive igneous rock.
What happens when sedimentary rock becomes metamorphic rock? A. Sedimentary rock cools and solidifies to become metamorphic rock. B. Sedimentary rock weathers, erodes, compacts, and cements to become metamorphic rock. C. Sedimentary rock melts and crystallizes to become metamorphic rock. D. Sedimentary rock undergoes heat and pressure to form metamorphic rock.
Which of the following is an example of mechanical weathering? A.gravity B. oxidation C. acid formation D. lava intrusion
Which elements are found in a high proportion in Earth’s crust?A.aluminum and ironB.oxygen and siliconC.calcium and sodiumD.potassium and magnesium
14. How are a needle and ax related? 15. Explain how a screwdriver and a screw form a compound machine
_______ is the largest continental biome. It experiences long, cold winters; short, mild summers; and low precipitation. It is characterized by coniferous forests.
