Answer:
Manipulated variable
Explanation:
Manipulated variable - The factors that are purposely changed in the experiment
Responding variable - The factor that changes due to the manipulated variable
Fixed variable - Other factors that are kept constant throughout the experiment
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Answer: the water is the solvent
And the substance dissolving in the water would be a solute
The correct answers are:
1. C. Western Africa;
2. B. Eastern South America;
Alfred Wegener has spent lot of times looking at maps, as it was his job. One day he noticed something peculiar, the western coast of Africa and the eastern coast of South America were an almost perfect match. They looked like peaces of puzzle that belong together. In his mind this was suggesting that these two continents had been merged in the past, and than broke apart. He later got proof about his theory by observing the sea mounts in the Atlantic Ocean.
A is Dermal B is Vascular and C is Ground
