Bacterial Cells. Bacterial cells are very small-about 10 times smaller than most plant and animal cells. Most bacterial cells range in size from 0.2 to 10 microns or micrometers (0.0000079 to 0.00039 inches). Common Escherichia coli, or E.coli, bacteria are rod-shaped bacteria, 1 micron by 2 microns long.
1 Installing a concrete paver patio averages between $8 and $15 per square foot.  Stone: The most natural option, stone comes in several sizes, textures, colors and styles. Most homeowners opt for stone to create a design-focused patio. Installing a stone paver patio averages between $4 and $8 per square foot.
The time it takes to source the limestone and create the pavers increases the cost. For a patio measuring 100 square feet, the pavers can cost around $260 to $360 for an overall cost of $2.60 to $3.60 per square foot.Factoring in the cost of sand, concrete and other materials can add an extra $40 to $50 to the project.or a patio measuring 100 square feet, the pavers can cost around $260 to $360 for an overall cost of $2.60 to $3.60 per square foot. Factoring in the cost of sand, concrete and other materials can add an extra $40 to $50 to the project.