The group that doesn't receive treatment/medicine.
Answer:
Hypothesis
Explanation:
A hypothesis is when you gather facts through observation, questioning, or studying.
Answer – A. Metabolism
The sum total of the chemical processes used to build up or break down materials are called an organism's metabolism. This includes but is limited to digestion and the transport of substances into and between different cells.
Out of the choices given, the one that can be answered scientifically is "What can be done to stop erosion?" The correct answer is B.
