LD50 is used to express TOXICITY OF TOXINS AND POISONS.
LD50 stands for Lethal Dose 50. This is the standard measure of the toxicity of a material, which will kill half of the sample population of a particular test animal in a defined time period, when they are exposed to the material.
Answer:
your mom is my mom jk c took the test.......................................................................................................
Explanation:
Answer:
I think the answer is A
Explanation:
D is pointing at specifically at electron which is the outer charger of the electron cloud. I don't think its likely to be D as the answer.
The answer is C. Alleles form your genetic makup :)
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