Is O2 covalent molecular or polar covalent

In which chemical equation, which symbol should be used to indicate that substance is in solution?

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)