How many students are there?
Answer:
D
Explanation:
A. this is an example of active transport and it uses up energy, not producing
B. this is an example of chloroplasts, and it does not produce energy, it creates photosynthesis
C. Proteins are not produced by mitochondria
D. Mitochondria are the powerhouses of a cell, this answer is correct
Well me going through and reading excerpts from the passage widely leads me to believe that this is an informal passage because they are informing you on the history of The United States
