Answer:
4. B
5. B
Explanation:
4. In science they call water a water molecule, so that is a given
5. Metallic is described as shiny.
Please post the questions
Cell wall protects the cell from bursting or shrieking. (maintains the shape of a cell) While cell membrane regulates the entry of substances into the cell and exit from the cell wall.
Oxygen is the common characteristic which helps fire to burn and a flowering plant to live on earth. When oxygen combines with a suitable chemical, it releases energy in the form of heat.