Because all organisms are made up of cells and there are different types of cells which carry different functions.
Answer:
Actually, The reaction is chemical and endothermic. Chemicals A and B form an endothermic reaction, and chemicals C and D form an exothermic reaction. Therefore, chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.
Explanation:
Explanation:
A. chloroplast
B. vacuole
C. plasma membrane
D. Smooth endoplasmic reticulum
The answer is B cell wall
