Because green house air is like carbon dioxide and is toxic for people to breathe in but they want to put it under an act that says it will cause u no harm
Some factors could be:
weather
ressources
Compared to benign tumors, malignant tumors are different because the cells in malignant tumors are cancerous.
An atrophic factors is a force that causes a cell to die, only natural forces on the cell are considered to be atrophic factors,whereas, and agents of mechanical or chemical abuse or lists of the cell are considered not to be atrophic factors. Which affect decrease workload loss of Innervation and diminishes your blood supplies , inadequate nutrition, and loss of enforce in stimulation and senility with compression.