PLEASE HELP FAST I HAVE A TEST IM NOT TRYING TO FAIL PLEASE AND THANK YOU! What is a characteristic that determines whether or not a substances will react with each other? the charge of the ions
the mass of the compounds
the numbers of valence electrons
the amount of heat applied

What type of lipids are found in all biological membranes?

Which anatomical plane is the only one that could not show both the sternal region and vertebral region

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water