Answer:
The correct answer is d) circular folds.
Explanation:
Circular folds slow food going through the small intestine so the villi and microvilli can help the food to be processed and digested properly. Also, the presence of these circular folds increases the surface where the nutrients are being absorbed.
...WHAT ATTARCTION i dont see any pictures?
Answer:
they must grow.
Explanation: what's the point of splitting so you can grow if you don't grow?
(yeah not really specific i know but what else can i say?)
Answer:
The correct answer is -
The manipulated - type of water
Responding - the height of plants
Controlled variable- regular water
Explanation:
The manipulated or independent variable is in scientific research is a variable that is changed or manipulated to see the response of the responding variable or dependent variable.
In this case type of water, plants get, is manipulated as a different type of water is provided to different plants. So variable that is measured or showing response to the manipulated variable is, is responding variable that is the height of the plants.
The controlled variable is a variable that is set to see or compare the difference in normal condition and manipulated conditions that is regular water here in this case.
Answer:
carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathe out). This process is called gas exchange and is essential to life.
Explanation:
when CO2 is removed it allows the renewal of fresh air into the lungs and C02 out of it