1. Supplying oxygen to cell and tissue
2. Providing nutrients to cells
3. Protecting your body from infections
Atoms bound together and form molecules. Molecules are a little more complex than atoms. For example water is composed of two hydrogen atoms and one oxygen atom which are both gases. Properties of oxygen and hydrogen are completely different than water molecules.
Answer:c)
troposphere
Explanation:
Bz it is closest to plant
Answer:
C.
Explanation:
In section 18 the elements are the most stable because they complete themselves without having to share electrons with other elements. Does that make sense?
