Answer: A
Explanation: An endocrine disruptor
the obligate parasite requires strigolactones for seed germination and not karrikins. The plant secrete strigolactone from its root into the soil as mentioned. In the soil, strigolactone promotes the seed germination of the parasitic weed.
The strigolactones can be beneficial for the germination and growth of the weed plant.
C. A rise in literacy rates among the working classes
The availability of printed material during the Song Dynasty most likely resulted in a<span> rise in literacy rates among the working classes. the Song Dynasty was one of the most prosperous dynasties of the Chinese Empire and, accordingly to history, it had the potential for an industrial revolution.</span>
The reinforcement of Successive Approximations is used in a broad sense of Skinnerian Operant Conditioning
