Is this statement true or false? ammonia is a base. a. true b. false

Covalent bonds are formed between metals and boiling points true or false

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 is the independent variable in this investigation? mass volume sample number substance density