.......................................................................................................
The answer is <span>C. Change in odor.
There are several signs of chemical reaction:
1. Dissolved precipitate.
2. Formation of gas (bubbles).
3. Change of color.
4. Change of temperature (warming or cooling).
5. Production of energy.
Among these signs, there is no change in odor, which is, thus, the right choice.</span>
Answer:
C is the correct option. Storage of carbohydrates is not a function of the skeletal system.
Explanation:
Option A is correct because the skeletal system has parts like the red bone marrow in which red blood cells and white blood cells are produced.
Option B is correct because the bones store minerals like calcium and phosphorus.
Option D is correct because the major function of the skeletal system is to provide support and protect the vital organs of the body.
The skeletal system is not involved in storing carbohydrates. Hence, all statements are true except for statement C.
Answer:
If the number of atoms stays the same no matter how they are rearranged, then their total weight stays the same.
In all physical and chemical changes, the total number of atoms remains the same, hence when substances interact with one another, combine or break apart, the total weight of the system remains the same
Because fish need light to see
