Which statement best describes the fossil record? It is a complete record.
It is an incomplete record.
Most fossils are older than five billion years.
All fossils are younger than six hundred years.

Water ionizes by the equation h2o(l)⇌h+(aq)+oh−(aq) the extent of the reaction is small in pure water and dilute aqueous solutions. this reaction creates the following relationship between [h+] and [oh−]: kw=[h+][oh−] keep in mind that, like all equilibrium constants, the value of kw changes with temperature.

In any energy conversion, some of the energy is lost to the environment as question 5 options: electrical energy potential energy sound energy thermal energy

What state of matter is ice a. liquid b. element c. solid d. gas