Answer:
Farts — also called flatus (say: FLAY-tuss) or intestinal (say: in-TESS-tuh-null) gas — are made of, well, gas! When you eat, you don't swallow just your food. All of these gases in the digestive system have to escape somehow, so they come out as farts! Gases are also what can make farts smell bad.
Answer:
Maria noticed a positive correlation
Explanation:
Correlation is used to measure the extend to which two or more variables are related.
It can be positive where one variable increases when the other increases.
Negative where the increase of one aspect decrease the other variable.
Lastly, no correlation means there is no relationship between the two variables hence a change in one will not affect the other.
In the case of maria, there is a positive correlation between having more energy the next day and her dancing.
Protein synthesis is an example of feedback mechanism which helps in homeostasis