justin10slone justin10slone

02-03-2016
Biology

contestada

Both coal and diamonds are forms of elemental carbon. Coal is brittle while diamonds are considered to be the hardest of all substances known. What is the appropriate justification for this?

Respuesta :

mariagsa mariagsa

03-03-2016

Diamond are created from coal after 1000's of years under pressure.
it cause a change in propertied but not elements

Answer Link

Otras preguntas

pls give answers + work for these 3 questions asap!

1) What is the nth term of the sequence -1,3,7,11,...? 1) a, = -1-4(n-1) 2) 4x=-1+4(n-1) 3) a, = 4-(n-1) 4) ax = 4+ (n - 1)

this involves NO WORK JUST READ.. IT IS NOT D

Please answer these! I just have 15mins please guys, i know them but I'm not very sure, so if you know please write them.

find the first 3 equation factors of 1/4

Help pleaseeeeeeeee!!!!!!!

PLEASE How does civil law differ from criminal law? O A. Violations of criminal law are punished only by fines, B. Court decisions in civil law cases cannot be

A mirror is shaped like a parabolic curve with a width of 3 inches when the depth is 0.375 inches. Which equation can be used to model the shape of the mirror?

GIVING BRAINLIEST 5 STARS AND THANKS HURRY ASAP

can someone answer these pls