Answer:
Both are chemical changes.
Explanation:
They are chemical changes because when when you melt the sugar to make caramel a new substance is formed. The same with cookies. You don't start out with cookies, you start out with dough. And then when you cook the dough a new substance is formed which is the cookies.
structural difference between Rhizoids and stolons
Rhizoids are root like structure organs while stolons are a specialized type of horizontal above the ground
functional difference
Rhizoids absorb water and nutrient , They keep plant attached on the soil while stolons are propagation of the plant.
Answer:
carbon dioxide is fixed or incorporated into organic molecules.
Explanation:
Carbon dioxide fixation is the conversion of inorganic carbon into organic carbon.
In photosynthesis CO2 is converted into glucose i.e inorganic carbon (CO2) is converted into organic molecule (glucose).