Help with both questions I’ll mark brainliest

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction

3. which is not a primary color of light? blue red green yellow

The inverse square law applies to: intensity of sound gravitational force intensity of light electric force magnetic force