Source: OG 12th Ed Frazier and Mosteller assert that medical research could be improved by a move toward larger, simpler clinical trials of medical treatments. Currently, researchers collect far more background information on patients than is strictly required for their trials—substantially more ...

Hi Rahul, We can also solve this by finding couples always sitting together and thn subtracting from 1. Using this, could you find error in my approach. I am not able to find one: 5 people = individual 1 (I1) + couple 1 (C1)+couple 2 (C2) => 3 people only I will try to find possibilities where c1 an...

Yes I feel so. Thanks

Conclusion: Greeks actually adopted alphabetic writing at least two centuries earlier Evidence: (1) the text of these earliest surviving Greek inscriptions sometimes runs from right to left and sometimes from left to right. (2)Now Greeks learned alphabetic writing from the Phoenicians, (3) Originall...

Mr. Lawson: We should adopt a national family policy that includes legislation requiring employers to provide paid parental leave and establishing government-sponsored day care. Such laws would decrease the stress levels of employees who have responsibility for small children. Thus, such laws would...

Thanks Mitch. Some of the takeaways for me are: 1) whether a modifier is a prepositional modifier or adverbial modifier or other depends on what it modifies'. 2) a prepositional modifier will begin with a preposition 3) prepositional modifier act as adjective modifier or adverb modifier - depends on...

Thanks Anurag. I get confused when the same phrase takes different roles: 1) According to its designers, a recently improved type of technological device could, by shutting down potentially dangerous reactions within lithium-ion batteries, prevent laptops and mobile phones from catching fire - here ...

I was asked by PM to help with this question. Another error: In A and C the phrase their home suggests that all the indigenous people were living in one single home. The other answers solve this issue by omitting the pronoun their : many indigenous people...left home . Hope this helps! Hi Mitch, 't...