B . Air that is breathed in
You would be using a A. referendum as a form of direct democracy if you voted to remove your governor from office. The other terms are not related to this action, but have to do with money.
It's permeable to the membrane. The membrane has enough space for it to move through, the partials of the substance is small enough.
30-50%
30% in the winter
50% in the summer
Anima- like protists are heterotrophic in nature, whereas plant-like protists are autotrophic
