I'm being 20 points

which concept does the diagram show?

temperature

altitude

air density

air pressure

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

answer; /// i believe that the correct answer is ( monophasic ); ethinyl estradiol- ethynodiol diacetate is a monophasic oral contraceptive agent; ///

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.