These changing quantities are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.
The Inland taipan (Oxyuranus microlepidotus) is considered the most venomous snake in the world with a murine LD50 value of 0.025 mg/kg SC. Ernst and Zug et al. 1996 list a value of 0.01 mg/kg SC, which makes it the most venomous snake in the world in their study too. They have an average venom yield of 44 mg.
The Top 10 Most Venomous Land Snakes all live downunder in Australia, and the Most Venomous Snake in the World is .... The Fierce Snake from Australia. To give you some idea of just how venomous it is, it is 50 times more potent than the Indian Cobra Snake.