The speed of light in four different materials is shown below:

material speed of light in thousand miles per second
a 140
b 78
c 186
d 124

which material is the most dense?
material a
material b
material c
material d

Hi there! The answer your looking for is C because the denser an get through because it is pact really close together.

An the less, the more dense would be Material B.

answer: i don't know

explanation:

you need to provide a picture, otherwise i can't tell you.

if you can provide one, i'd be more than happy to you with this!

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production