Answer:
measuring the mass of metal used in a reaction
Answer:It has the lowest effective nuclear charge of the four new elements.
The theory of evolution was proposed by Darwin.
Answer:
'Wave' is a common term for a number of different ways in which energy is transferred: In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels.
Explanation:
