C is the answer i believe
Answer: The main ingredient of cells is water. Water is needed to maintain homeostasis. Cells are also made up of macromolecules—nucleic acids, lipids, proteins, carbohydrates. These macromolecules help maintain a cell's structure, help cells communicate with each other, aid in energy storage, etc.
A limitation of Wallerstein's Theory is that it locks many countries into a stage where it is difficult to advance from the periphery to the core.
<h3>What is a limitation of Wallerstein's world systems theory?</h3>
Wallerstein's theory is known to be a theory that was to be one that states the way a country is said to be integrated into a capitalist world system and this tells how economic growth occurs in that country.
The Criticisms is that the World-systems theory is too based on economy and does not have large view on culture and it is too core and state-centric.
Learn more about Wallerstein's Theory from
brainly.com/question/1006626
The energy obtained from the digestion of food is called:
heat
nuclear
mechanical
chemical
Answer:
Gain the attention of the audience
Explanation:
In any given speech it is of the utmost importance to establish contact with the public. Asking intriging questions is very effective and stimulates (by provoking human curiosity) the attention of the audience. Who can deny that he/she is tempted to continue to listen to a possible explanation of his/her own personal anxiety?