Suppose two stars are located in region a of the h-r diagram shown in the figure below. star x appears much dimmer that star y as seen from earth. which star can be inferred to be nearer to earth, and how do you know?

Me ! mark u as brainlest! the speed of a sound wave depends on question 7 options: a) the frequency. b)the medium. c)the air temperature. d)both air temperature and medium.

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water