Answer:
The scientific method
Explanation:
1. Observation
2. Ask a question
3. Form hypothesis
4. Make a prediction of hypothesis
5. Test Prediction
6. Iterate: make new hypothesis or problems with found results.
I believe the answer is C. Form and height
B. Eukaryotes only have a nucleus!
Oxygen is used up in the body of most organisms and Carbon dioxide is released. The body uses oxygen to break down glucose to supply energy tot he body. In result of this reaction carbon dioxide and water is released into the system along with energy. The carbon dioxide is then exhaled into the air by the respiratory system of the organisms.
