Answer:
understanding people, organize notes correctly, learn how to organize your time wisely.
Explanation:
The first part of two is heat, not temperature, once that is cleared up: starting from 3: temperature, concentration, collisions, catalytic converter, surface area
From the above procedure i hope u can clearly see the answer
M = 20 g
Volume = 12 cm³
D = m / V
D = 20 / 12
D = 1.67 g/cm³
hope this helps!