Looking through water has a curved effect. When the light travels through it, the transperancy is different. If you stick a pencil into a half filled glass of water you will see that it is optimised but the direction is different.
Answer:
B
Explanation:
As you can see in these 4 examples, B- looks completely different from A, C, D! In B: The reactants and products are completely different in the Element Figures.
Answer: 90 percent water, electrolytes such as potassium and phosphorus, and chemicals called urea and uric acid
Explanation:
The constant variable is the math problems, the dependent variable is the calculators, and the independent variables are the students
