Which is an example of a chemical change that occurs as part of the rock cycle? a) lava cools and condenses on the earth's surface b) sedimentary rocks are worn away by water erosion c) igneous rocks are cracked and broken into smaller pieces by weathering d) sedimentary rocks are turned into metamorphic rocks by heat and pressure

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using

How many moles of oxygen gas are produced from the decomposition of six moles of potassium