Dear Sayantan Bhanja, If you have serious assignment that requires large amount of work and hence cannot be done for free you can submit it as assignment and our experts will surely assist you. Price depends on complexity of your assignments and deadline. Please submit your assignments to our control panel and you'll get price estimation. If you have further questions please feel free to ask them via email@example.com (our support department) or use live chat on this website.
Please explain the mechanism in details I could not understand sphere, tetrahedral octahedral it's conffusing please explain the mechanism step by step