Answer:
D
Explanation:
The same chlorophyll can be identified if it moves the same distance up the second chromatography strip as it did on the given chromatography strip.
Muscle cells are produced by the brain, but blood cells are produced by the heart.
<span>The temperature in the laboratory
The position of the Bunsen burner
The amount of air that mixes with the gas stream
these can all have an affect on the intensity of the reaction.
I hope I was helpful.</span>
The polar jet stream often plunges southward. When this happens, it can drive cold fronts to regions as far south as Florida. When the polar jet stream plunges south over the United States during the winter time, it is sure that some very cold weather will follow. It changes condensation forms, causes strong storms, thus, transporting cold air.