Ipunch myself really hard. does that make me strong or weak?

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Which of the following is a measure of the amount of light a star directly emits?               a.  luminosity    b.  intensity    c.  wavelength    d.  brightness

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change