20 meters walk south is the <u>short leg</u>. The long leg is 30 meters walk east. Distance from 30 meters east to starting point is a hypotenuse.
<span>the spiral arms of the milky way was made of: D. younger stars and gaseous nebulae
The spiral arms of the mily way was organized into four spiral arms, and since it was made of younger stars and gaseous nebulae, Spiral arms typically contain a higher density of interstellar gas and dust than the Galactic average as well as a greater concentration of star formation</span>
Structure of the universe, telescope and microscope
Answer: b
Explanation: temperate climates with adequate rainfall