Why is water considered to be a universal solvent? water is an ionic substance, so all substances dissolve in it. water is nonpolar covalent, so all substances dissolve in it. water is polar covalent, so many ionic and polar substances dissolve in it. water is ionic, so covalent and ionic substances dissolve in it.

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table