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:
It will be C( Magnesium absorbs red and blue light but reflects green light)
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hope it helps you to please mark me brainliest
<span>After the third month of development, lanugo develops on the head (thin, first hair), the muscles and bones are formed an shaped, the mouth movement is possible, the liver and pancreas produce fluid secretions, meconium is made (stool of infant), reproductive organs are developed, but the baby's gender is difficult to distinguish on ultrasound.</span>
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i think its a but i am not absoulty sure
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