The normal hydrogen ion concentration of body fluids is equal to a ph range of about 7.35-7.45. the normal hydrogen ion concentration of body fluids is equal to a ph range of about 7.35-7.45. a. true b. false

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Classify this reaction: 2al+n2-> aln.