A. Valuable materials found in or on the Earth
A. Group of cells
Cells - Tissue - Organ ...
If you want to know more - look for "Biological Organisation"
Hi lovely,
The answer you're looking for would be Biosphere.
A cross section of a leaf shows that it is a complex organ built of several different kinds of specialized tissues. The tissues, in turn, are built of specialized cells, and the cells, of organelles. Epidermis covers the upper and lower surfaces of the leaf.
U divied 9.3 with 4 i think idk