Which of these is inorganic 1) leaf 2) earthworms 3) minerals 4) bacteria ​

How manyatoms of mercury are in 1.4214e+1 ml sample

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?