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.
The limitation is that she can't test is on humans for ethical reasons. In order to test this, theoretically, she would need to ask some women to use this cosmetic and compare their fetuses to the fetuses of women who didn't. But this is not likely to be approved by the ethical committee, as causing damage to a fetus is not ethical.
use of resources in a way and at a rate that does not lead to the long-term decline of biological diversity, thereby maintaining its potential to meet the needs and aspirations of present and future generations.
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It IS NOT A because after a fire, soil remains, so it would be secondary, not primary. D is INCORRECT because after a volcano, only rock is left so it is primary succession, not secondary.
If you can post the picture I could tell you the correct answer.