Answer:Electricity is the flow of electrons. All matter is made up of atoms, and an atom has a center, called a nucleus. When electrons are "lost" from an atom, the free movement of these electrons constitutes an electric current. Electricity is a basic part of nature and it is one of our most widely used forms of energy.
Explanation:
Answer:
The alkaline earth metals (beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. somewhat reactive metals at standard temperature and pressure.
Answer:
The magnitude of the electric field intensity is 
Explanation:
From the question we are told that
The voltage is 
The thickness of the membrane is 
Generally the electric field intensity is mathematically represented as
substituting values
<span>Heating food under a heat lamp is an example of heat transfer by
<span>Radiation</span></span>
<span>The person given credit for the first modern atomic theory was __________.
Dalton.</span>
