Yes
Methane also is the chief constituent of natural gas, which contains from 50 to 90 percent methane (depending on the source), and occurs as a component of firedamp (flammable gas) along coal seams.
The first question would be B) they are examples of cell organelles. The second question would be A) mitochondria. Hope this helps!
Answer:
Particles are constatantly moving and diffusing
This is possible because of diffusion
Explanation:
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Physical because it is still H2O