Coment if your awake cause almost no one is awake lol

What are the percent by mass of copper in penny lab

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?

What does x represent in the formula for the compound xcl4?