It's not cilia because cilia found in nearly all the cells in the body.
It's not mitochondria; those are found in liver cells and others.
It's not lysosomes because those function as the digestive system in the cell.
That means the answer is flagella
Sperm are the only human cells to have flagella.
The correct answer is D. All of the above.
Soil compaction is termed as the compression of particles of small to small volume which are then reduces their pore space size which is being available for water and air.
Soil compaction can result from;
1. Elimination or reduction of pore space in soil.
2. Heavy weight machine on soil.
3. Livestock walking over the soil.
Soil compaction can result to decrease in crop production and increase in erosion of soil.
T he purpose of the soil compaction is that large water pressure which is build up and causes soil liquefy in the time of earthquake.