A constant factor could be the dose of the drugs and the species of the rats used.
<h3>What is a constant factor?</h3>
In an experiment, a constant factor is one that is not allowed to change al through the experiment. This one must be held as the same and not allowed to vary. A constant factor could be the dose of the drugs and the species of the rats used.
The factor that would be different for the experimental group and the control group the administration of the new drug.
Learn more about experiment:brainly.com/question/11256472
#SPJ1
Answer:
hello the answer is B hope this helps
Explanation:
The tundra biome has the least diversity of plant species. Due to the harsh cold environment, it's common to not see many plants.
The correct answer among the choices provided is option C. Water helps to maintain the structure, flexibility and motion of proteins. Hydration makes the protein structure more packed and stabilized. It is because water is included in many networks of hydrogen bonds.
