Answer:
Option A
Explanation:
In a physical change, physical characteristics such as shape, mass, volume, state, phase etc. changes while in a chemical change one substance convert into entirely different substance which may or may not be converted to its original form. Of all the given options, option A represents a physical change. In option A the phase of the substance has changed from solid to gas.
Answer:
Lipid
Explanation:
Fatty acids fit into the category of lipids.
The answer is mitochondria because mitochondria is involved in cellular respiration.
You get to see every detail and brake down so you won't miss anything when reading it but might miss something by watching or listening to it
Amount of rainfall
I’m not sure if this is right but I think it is because all of the rest are major parts of ecosystems, and although rainfall is too, it’s more of a natural source that happens anywhere whereas the rest of the options may determine the ecosystem