Answer:
Where are the answer choices?
Explanation:
Answer:
The scientific method is a process for experimentation that is used to explore observations and answer questions.
<span> For example, digestive </span>enzymes<span> cause food that you eat to be broken down much faster than </span>would<span> occur without them, but they are not broken down in the reaction they are speeding up.</span>
Answer:
Oxygen, carbon dioxyde
Explanation:
After oxygen was distributed to somatic cells, there are higher concentraion of carbon dioxyde. Therefore, it will move out from our cell to be exhaled by lungs. Vice versa for oxygen