Question 2: Answer is (B), Soil Conservation Act (1936)
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C6H5 is the molecular formula for Phenyl.
This rock is balanced by roots on the ground that are very strong
The only logical answer is A
Answer: An alpha-particle is identical to the nucleus of a normal (atomic mass four) helium atom i.e. a doubly ionised helium atom. Alpha particles (also termed alpha radiation or alpha rays) was the first nuclear radiation to be discovered, beta particles and gamma rays were identified soon after.
