Answer:
Explanation:
you can seperate mixtures by filtration, evaporation, distillation and chromatography.
Respiratory system.
Oversimplified Explanation: they enter the lungs, which is part of the respiratory system.
Answer:
d. Can be replaced at the same rate or faster than they are used
Explanation:
I just took the test, and its the right answer. Your welcome ✌
The mathematical and proportional relationship between mL and
said us that
is equivalent to 1mL.
If the density is considered as the amount of mass per unit volume we will have to

here,
m = mass
V = Volume
Replacing we have that


As
we have that the density in g/mL is,
