Which postulate or theorem proves that these two triangles are congruent? a. sas congruence postulate b. hl congruence theorem c. aas congruence theorem d. asa congruence postulate

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

How do i do this activity, is appreciated

Which of the following are accepted without proof in a logical system? check all that apply.