Which one of the following mineral is the main source of Boron in soils
Tourmaline is the main source of boron; Pyrolusite is a mineral consisting essentially of manganese dioxide (MnO2) and is important as an ore of manganese; Magnetite is a mineral whose primary component is an iron oxide that contains equal amounts of iron(II) and iron(III); Muscovite is the most common mineral of the mica family.
If K is son of X, then how is L related to P?
How is B related to D?
Who among the following is husband of R?
How is U related to X?
How is S related to Q?
How V related to T?
How is H related to T?
How is B related to M?
How is D related to W?
L is mother of E, who is sister of K. H is father of I. F is wife of H. K is son of I. How many children does I have?