Which electromagnetic wave has wavelengths ranging from the size of a printed period to the length of a pen (1x10^-3to 1x10^-1meters)?
a
microwaves
b.
radio waves
c.
infrared radiation
d.
x-rays

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

f is prop to m1xm2 double m1 double force