Which is a component of cell theory?

a. cells come from bacteria.
b. cells come from cells.
c. cells come from nonliving matter.
d. cells come from non-cells.

this is a science problem

B. Cells come from cells

Explanation:

In the cell theory, it states that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).