Which of these are examples of physical changes? check all that apply. burning wood freezing water cutting paper iron rusting mixing water and acetone

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

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?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.