From these themes, MEPAG has derived key, overarching science questions ... The planet most like Earth in terms of its atmosphere, climate, geology, and ... If answered affirmatively, it will be important to know where and for how long life ... If life is or was there, we must understand the resources that support or supported it.
Answer is: true.
The law of conservation of energy states that the total energy of an isolated system remains constant; energy can neither be created nor destroyed; it can only be transformed or transferred from one form to another.
Albert Einstein (1879-1955) proposed that a beam of light is a collection of discrete wave packets (photons) with energy hν, where h is Planck constant and ν is frequency.
E = h·ν.
1) KCl
Potassium Chloride is an ionic bond because it exists between a metal and a nonmetal. The Potassium ion is a cation, carrying a +1 charge; the Chlorine is an anion, carrying a -1 charge.