Remember that a controlled variable is a variable that stays the same thoughout the experiment.
it wouldn't be a. because two different wires were used
the final length of the wax would be your dependent variable, so it wouldn't be c.
the thermal conductivity is the independent variable so it isn't d.
the original length of the wax was the same for both.
So B is your answer.
A stored form of carbohydrate in animals' muscle and liver is glycogen.
Glycogen is a polysaccharide (starch) made of repeating units of glucoses bonded together.
Umbilicus or umbilical cord and im not sure about the name of the process!
Demand is the amount of a product customers are prepared to buy at different prices. Supply is the amount of a product businesses are prepared to sell at different prices. There are many different types of market. The goods market is where everyday products such as DVDs are traded.
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In the Linnaeus system a(n) kingdom contains similar phyla.
