Considering the laws of gas transformations, observe the attached image. Based on it, analyze the following sentences: I- The image refers to Char...

Considering the laws of gas transformations, observe the attached image. Based on it, analyze the following sentences:

I- The image refers to Charles and Gay-Lussac's Law.
II- The curve shown in the image is an isotherm.
III- The image shows that PV = constant.

Choose the CORRECT alternative:

I- The image refers to Charles and Gay-Lussac's Law.
II- The curve shown in the image is an isotherm.
III- The image shows that PV = constant.
A All sentences are false propositions.
B Only sentence II is a true proposition.
C Sentences I and III are true propositions.
D All sentences are true propositions.