Having a high surface area helps so yes in the human body villi is an example of a structure that increases surface area to increase absorption rates.
Answer:
-5 5/6
Explanation:
So the same thing as the last question I answered, we have to multiply the top row and the bottom row. However, the fractions in the photo are actually mixed numbers so we first have to make them into improper fractions.
1 and 2/3 would be: 5/3
-3 and 1/2 would be: - 7/2
So now we have to multiply them: 5/3 * - 7/2:
Same steps: 5 * 7 = 35; 3 * 2 = 6:
- 35/6, or we could simplify and make it a mixed number so and also add the negative sign:
6 goes into 35 5 times so: -5 and 5/6 or -5 5/6
Answer:
There must be an independent variable, which changes throughout the course of an experiment; a dependent variable, which is observed and measured; and a controlled variable, also known as the "constant" variable, which must remain consistent and unchanging throughout the experiment.
Explanation:
