The melting of the ice cube indicates physical change has taken place
Electromagnetic consists of both electrical and magnetic fields so D. :)
1066.7 ml of the stock solution must start with, preparing 2.00 L of a 0.800 M NaNO3 solution.
<h3>What is volume?</h3>
Volume is the space occupied by a three-dimensional object.
By the formula 
M1 is the initial molarity, 1.5 M
M2 is the final molarity, 0.800 M
V1 is the initial volume
V2 is the final volume, 2.00 L
Putting the values in the equation

Thus, the initial volume is 1066.7 ml
Learn more about volume
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Answer: Antoine Lavoisier.
He classified the elements into four groups: elastic fluids, nonmetals, metals and earths. Some of the called elementes were not really elements (light and heat). Others were compounds, e.g. hydrochloric acid.
Answer:
Yes work was done because it takes many muscles to blink. I didn't put it in a paragraph bc I already answered this once.
Explanation: